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authormaxc01 <xingchen92@gmail.com>2015-10-07 13:48:26 +0800
committermaxc01 <xingchen92@gmail.com>2015-10-07 13:48:26 +0800
commita61af756ddca4544de5e4969edc73131f4fccdd1 (patch)
tree2ac1755695a42d3964208e0029e74d446f5c3bd8 /examples
parent0840304af1564fa86a6006d648450372f301a6c8 (diff)
parentc84a485f148063f6d0c23f016fe348ec94fb6b19 (diff)
Merge pull request #1 from albertoruiz/master
sync from albetoruiz/hmatrix
Diffstat (limited to 'examples')
-rw-r--r--examples/bool.hs46
-rw-r--r--examples/bool.ipynb1152
-rw-r--r--examples/devel/ej1/functions.c35
-rw-r--r--examples/devel/ej1/wrappers.hs44
-rw-r--r--examples/devel/ej2/functions.c24
-rw-r--r--examples/devel/ej2/wrappers.hs32
-rw-r--r--examples/devel/example/functions.c22
-rw-r--r--examples/devel/example/wrappers.hs45
-rw-r--r--examples/error.hs8
-rw-r--r--examples/inplace.hs4
-rw-r--r--examples/kalman.hs33
-rw-r--r--examples/lie.hs10
-rw-r--r--examples/minimize.hs9
-rw-r--r--examples/monadic.hs31
-rw-r--r--examples/multiply.hs22
-rw-r--r--examples/ode.hs2
-rw-r--r--examples/pca1.hs18
-rw-r--r--examples/pca2.hs17
-rw-r--r--examples/pinv.hs13
-rw-r--r--examples/pinv.ipynb722
-rw-r--r--examples/plot.hs4
-rw-r--r--examples/repmat.ipynb138
-rw-r--r--examples/root.hs6
-rw-r--r--examples/vector.hs31
24 files changed, 2197 insertions, 271 deletions
diff --git a/examples/bool.hs b/examples/bool.hs
index 679b8bf..ee85523 100644
--- a/examples/bool.hs
+++ b/examples/bool.hs
@@ -1,17 +1,25 @@
1-- vectorized boolean operations defined in terms of step or cond 1-- vectorized boolean operations defined in terms of step or cond
2 2
3{-# LANGUAGE FlexibleContexts #-}
4
3import Numeric.LinearAlgebra 5import Numeric.LinearAlgebra
4 6
5infix 4 .==., ./=., .<., .<=., .>=., .>. 7infix 4 .==., ./=., .<., .<=., .>=., .>.
6infixr 3 .&&. 8infixr 3 .&&.
7infixr 2 .||. 9infixr 2 .||.
8 10
9a .<. b = step (b-a) 11-- specialized for Int result
10a .<=. b = cond a b 1 1 0 12cond'
11a .==. b = cond a b 0 1 0 13 :: (Element t, Ord t, Container c I, Container c t)
12a ./=. b = cond a b 1 0 1 14 => c t -> c t -> c I -> c I -> c I -> c I
13a .>=. b = cond a b 0 1 1 15cond' = cond
14a .>. b = step (a-b) 16
17a .<. b = cond' a b 1 0 0
18a .<=. b = cond' a b 1 1 0
19a .==. b = cond' a b 0 1 0
20a ./=. b = cond' a b 1 0 1
21a .>=. b = cond' a b 0 1 1
22a .>. b = cond' a b 0 0 1
15 23
16a .&&. b = step (a*b) 24a .&&. b = step (a*b)
17a .||. b = step (a+b) 25a .||. b = step (a+b)
@@ -29,26 +37,22 @@ maxEvery a b = cond a b b b a
29 37
30clip a b x = cond y b y y b where y = cond x a a x x 38clip a b x = cond y b y y b where y = cond x a a x x
31 39
32disp = putStr . dispf 3 40eye n = ident n :: Matrix R
33
34eye n = ident n :: Matrix Double
35row = asRow . fromList :: [Double] -> Matrix Double
36col = asColumn . fromList :: [Double] -> Matrix Double
37 41
38m = (3><4) [1..] :: Matrix Double 42m = (3><4) [1..] :: Matrix R
39 43
40p = row [0,0,1,1] 44p = fromList [0,0,1,1] :: Vector I
41q = row [0,1,0,1] 45q = fromList [0,1,0,1] :: Vector I
42 46
43main = do 47main = do
44 print $ find (>6) m 48 print $ find (>6) m
45 disp $ assoc (6,8) 7 $ zip (find (/=0) (eye 5)) [10..] 49 disp 3 $ assoc (6,8) 7 $ zip (find (/=0) (eye 5)) [10..]
46 disp $ accum (eye 5) (+) [((0,2),3), ((3,1),7), ((1,1),1)] 50 disp 3 $ accum (eye 5) (+) [((0,2),3), ((3,1),7), ((1,1),1)]
47 disp $ m .>=. 10 .||. m .<. 4 51 print $ m .>=. 10 .||. m .<. 4
48 (disp . fromColumns . map flatten) [p, q, p.&&.q, p .||.q, p `xor` q, p `equiv` q, p `imp` q] 52 (print . fromColumns) [p, q, p.&&.q, p .||.q, p `xor` q, p `equiv` q, p `imp` q]
49 print $ taut $ (p `imp` q ) `equiv` (no q `imp` no p) 53 print $ taut $ (p `imp` q ) `equiv` (no q `imp` no p)
50 print $ taut $ (xor p q) `equiv` (p .&&. no q .||. no p .&&. q) 54 print $ taut $ (xor p q) `equiv` (p .&&. no q .||. no p .&&. q)
51 disp $ clip 3 8 m 55 disp 3 $ clip 3 8 m
52 disp $ col [1..7] .<=. row [1..5] 56 print $ col [1..7] .<=. row [1..5]
53 disp $ cond (col [1..3]) (row [1..4]) m 50 (3*m) 57 print $ cond (col [1..3]) (row [1..4]) m 50 (3*m)
54 58
diff --git a/examples/bool.ipynb b/examples/bool.ipynb
new file mode 100644
index 0000000..abceeb4
--- /dev/null
+++ b/examples/bool.ipynb
@@ -0,0 +1,1152 @@
1{
2 "cells": [
3 {
4 "cell_type": "markdown",
5 "metadata": {},
6 "source": [
7 "# vectorized boolean operations"
8 ]
9 },
10 {
11 "cell_type": "code",
12 "execution_count": 1,
13 "metadata": {
14 "collapsed": true
15 },
16 "outputs": [],
17 "source": [
18 "import Numeric.LinearAlgebra\n",
19 ":ext FlexibleContexts"
20 ]
21 },
22 {
23 "cell_type": "markdown",
24 "metadata": {},
25 "source": [
26 "## pretty printing"
27 ]
28 },
29 {
30 "cell_type": "code",
31 "execution_count": 2,
32 "metadata": {
33 "collapsed": false,
34 "scrolled": true
35 },
36 "outputs": [],
37 "source": [
38 "import IHaskell.Display\n",
39 ":ext FlexibleInstances\n",
40 "\n",
41 "dec = 3\n",
42 "\n",
43 "dispBool = (\"\\n\"++) . format \" \" f\n",
44 " where\n",
45 " f 1 = \"\\\\top\"\n",
46 " f 0 = \"\\\\cdot\"\n",
47 "\n",
48 "instance IHaskellDisplay (Matrix I) where\n",
49 " display m = return $ Display [html (\"<p>$$\"++(latexFormat \"bmatrix\" . dispBool) m++\"$$</p>\")]\n",
50 "\n",
51 "instance IHaskellDisplay (Matrix C) where\n",
52 " display m = return $ Display [html (\"<p>$$\"++(latexFormat \"bmatrix\" . dispcf dec) m++\"$$</p>\")]\n",
53 "\n",
54 "instance IHaskellDisplay (Matrix R) where\n",
55 " display m = return $ Display [html (\"<p>$$\"++ (latexFormat \"bmatrix\" . dispf dec) m++\"$$</p>\")]"
56 ]
57 },
58 {
59 "cell_type": "markdown",
60 "metadata": {},
61 "source": [
62 "## definitions"
63 ]
64 },
65 {
66 "cell_type": "markdown",
67 "metadata": {},
68 "source": [
69 "vectorized operators defined in terms of `step` and `cond`"
70 ]
71 },
72 {
73 "cell_type": "code",
74 "execution_count": 3,
75 "metadata": {
76 "collapsed": false
77 },
78 "outputs": [],
79 "source": [
80 "-- specialized for Int result\n",
81 "cond'\n",
82 " :: (Element t, Ord t, Container c I, Container c t)\n",
83 " => c t -> c t -> c I -> c I -> c I -> c I\n",
84 "cond' = cond"
85 ]
86 },
87 {
88 "cell_type": "code",
89 "execution_count": 4,
90 "metadata": {
91 "collapsed": false
92 },
93 "outputs": [],
94 "source": [
95 "infix 4 .==., ./=., .<., .<=., .>=., .>.\n",
96 "infixr 3 .&&.\n",
97 "infixr 2 .||.\n",
98 "\n",
99 "a .<. b = cond' a b 1 0 0\n",
100 "a .<=. b = cond' a b 1 1 0\n",
101 "a .==. b = cond' a b 0 1 0\n",
102 "a ./=. b = cond' a b 1 0 1\n",
103 "a .>=. b = cond' a b 0 1 1\n",
104 "a .>. b = cond' a b 0 0 1\n",
105 "\n",
106 "a .&&. b = step (a*b)\n",
107 "a .||. b = step (a+b)\n",
108 "no a = 1-a\n",
109 "xor a b = a ./=. b\n",
110 "equiv a b = a .==. b\n",
111 "imp a b = no a .||. b"
112 ]
113 },
114 {
115 "cell_type": "markdown",
116 "metadata": {},
117 "source": [
118 "other useful functions"
119 ]
120 },
121 {
122 "cell_type": "code",
123 "execution_count": 5,
124 "metadata": {
125 "collapsed": true
126 },
127 "outputs": [],
128 "source": [
129 "taut x = minElement x == 1\n",
130 "\n",
131 "minEvery a b = cond a b a a b\n",
132 "maxEvery a b = cond a b b b a\n",
133 "\n",
134 "eye n = ident n :: Matrix R\n",
135 "\n",
136 "clip a b x = cond y b y y b\n",
137 " where\n",
138 " y = cond x a a x x"
139 ]
140 },
141 {
142 "cell_type": "markdown",
143 "metadata": {},
144 "source": [
145 "## examples"
146 ]
147 },
148 {
149 "cell_type": "code",
150 "execution_count": 6,
151 "metadata": {
152 "collapsed": false
153 },
154 "outputs": [
155 {
156 "data": {
157 "text/html": [
158 "<style>/*\n",
159 "Custom IHaskell CSS.\n",
160 "*/\n",
161 "\n",
162 "/* Styles used for the Hoogle display in the pager */\n",
163 ".hoogle-doc {\n",
164 " display: block;\n",
165 " padding-bottom: 1.3em;\n",
166 " padding-left: 0.4em;\n",
167 "}\n",
168 ".hoogle-code {\n",
169 " display: block;\n",
170 " font-family: monospace;\n",
171 " white-space: pre;\n",
172 "}\n",
173 ".hoogle-text {\n",
174 " display: block;\n",
175 "}\n",
176 ".hoogle-name {\n",
177 " color: green;\n",
178 " font-weight: bold;\n",
179 "}\n",
180 ".hoogle-head {\n",
181 " font-weight: bold;\n",
182 "}\n",
183 ".hoogle-sub {\n",
184 " display: block;\n",
185 " margin-left: 0.4em;\n",
186 "}\n",
187 ".hoogle-package {\n",
188 " font-weight: bold;\n",
189 " font-style: italic;\n",
190 "}\n",
191 ".hoogle-module {\n",
192 " font-weight: bold;\n",
193 "}\n",
194 ".hoogle-class {\n",
195 " font-weight: bold;\n",
196 "}\n",
197 "\n",
198 "/* Styles used for basic displays */\n",
199 ".get-type {\n",
200 " color: green;\n",
201 " font-weight: bold;\n",
202 " font-family: monospace;\n",
203 " display: block;\n",
204 " white-space: pre-wrap;\n",
205 "}\n",
206 "\n",
207 ".show-type {\n",
208 " color: green;\n",
209 " font-weight: bold;\n",
210 " font-family: monospace;\n",
211 " margin-left: 1em;\n",
212 "}\n",
213 "\n",
214 ".mono {\n",
215 " font-family: monospace;\n",
216 " display: block;\n",
217 "}\n",
218 "\n",
219 ".err-msg {\n",
220 " color: red;\n",
221 " font-style: italic;\n",
222 " font-family: monospace;\n",
223 " white-space: pre;\n",
224 " display: block;\n",
225 "}\n",
226 "\n",
227 "#unshowable {\n",
228 " color: red;\n",
229 " font-weight: bold;\n",
230 "}\n",
231 "\n",
232 ".err-msg.in.collapse {\n",
233 " padding-top: 0.7em;\n",
234 "}\n",
235 "\n",
236 "/* Code that will get highlighted before it is highlighted */\n",
237 ".highlight-code {\n",
238 " white-space: pre;\n",
239 " font-family: monospace;\n",
240 "}\n",
241 "\n",
242 "/* Hlint styles */\n",
243 ".suggestion-warning { \n",
244 " font-weight: bold;\n",
245 " color: rgb(200, 130, 0);\n",
246 "}\n",
247 ".suggestion-error { \n",
248 " font-weight: bold;\n",
249 " color: red;\n",
250 "}\n",
251 ".suggestion-name {\n",
252 " font-weight: bold;\n",
253 "}\n",
254 "</style><p>$$\\begin{bmatrix}\n",
255 "\\top & \\top & \\top & \\top & \\top\n",
256 "\\\\\n",
257 "\\cdot & \\top & \\top & \\top & \\top\n",
258 "\\\\\n",
259 "\\cdot & \\cdot & \\top & \\top & \\top\n",
260 "\\\\\n",
261 "\\cdot & \\cdot & \\cdot & \\top & \\top\n",
262 "\\\\\n",
263 "\\cdot & \\cdot & \\cdot & \\cdot & \\top\n",
264 "\\\\\n",
265 "\\cdot & \\cdot & \\cdot & \\cdot & \\cdot\n",
266 "\\\\\n",
267 "\\cdot & \\cdot & \\cdot & \\cdot & \\cdot\n",
268 "\\end{bmatrix}$$</p>"
269 ]
270 },
271 "metadata": {},
272 "output_type": "display_data"
273 }
274 ],
275 "source": [
276 "col [1..7] .<=. row [1..5]"
277 ]
278 },
279 {
280 "cell_type": "code",
281 "execution_count": 7,
282 "metadata": {
283 "collapsed": true
284 },
285 "outputs": [],
286 "source": [
287 "m = (3><4) [1..] :: Matrix R"
288 ]
289 },
290 {
291 "cell_type": "code",
292 "execution_count": 8,
293 "metadata": {
294 "collapsed": false
295 },
296 "outputs": [
297 {
298 "data": {
299 "text/html": [
300 "<style>/*\n",
301 "Custom IHaskell CSS.\n",
302 "*/\n",
303 "\n",
304 "/* Styles used for the Hoogle display in the pager */\n",
305 ".hoogle-doc {\n",
306 " display: block;\n",
307 " padding-bottom: 1.3em;\n",
308 " padding-left: 0.4em;\n",
309 "}\n",
310 ".hoogle-code {\n",
311 " display: block;\n",
312 " font-family: monospace;\n",
313 " white-space: pre;\n",
314 "}\n",
315 ".hoogle-text {\n",
316 " display: block;\n",
317 "}\n",
318 ".hoogle-name {\n",
319 " color: green;\n",
320 " font-weight: bold;\n",
321 "}\n",
322 ".hoogle-head {\n",
323 " font-weight: bold;\n",
324 "}\n",
325 ".hoogle-sub {\n",
326 " display: block;\n",
327 " margin-left: 0.4em;\n",
328 "}\n",
329 ".hoogle-package {\n",
330 " font-weight: bold;\n",
331 " font-style: italic;\n",
332 "}\n",
333 ".hoogle-module {\n",
334 " font-weight: bold;\n",
335 "}\n",
336 ".hoogle-class {\n",
337 " font-weight: bold;\n",
338 "}\n",
339 "\n",
340 "/* Styles used for basic displays */\n",
341 ".get-type {\n",
342 " color: green;\n",
343 " font-weight: bold;\n",
344 " font-family: monospace;\n",
345 " display: block;\n",
346 " white-space: pre-wrap;\n",
347 "}\n",
348 "\n",
349 ".show-type {\n",
350 " color: green;\n",
351 " font-weight: bold;\n",
352 " font-family: monospace;\n",
353 " margin-left: 1em;\n",
354 "}\n",
355 "\n",
356 ".mono {\n",
357 " font-family: monospace;\n",
358 " display: block;\n",
359 "}\n",
360 "\n",
361 ".err-msg {\n",
362 " color: red;\n",
363 " font-style: italic;\n",
364 " font-family: monospace;\n",
365 " white-space: pre;\n",
366 " display: block;\n",
367 "}\n",
368 "\n",
369 "#unshowable {\n",
370 " color: red;\n",
371 " font-weight: bold;\n",
372 "}\n",
373 "\n",
374 ".err-msg.in.collapse {\n",
375 " padding-top: 0.7em;\n",
376 "}\n",
377 "\n",
378 "/* Code that will get highlighted before it is highlighted */\n",
379 ".highlight-code {\n",
380 " white-space: pre;\n",
381 " font-family: monospace;\n",
382 "}\n",
383 "\n",
384 "/* Hlint styles */\n",
385 ".suggestion-warning { \n",
386 " font-weight: bold;\n",
387 " color: rgb(200, 130, 0);\n",
388 "}\n",
389 ".suggestion-error { \n",
390 " font-weight: bold;\n",
391 " color: red;\n",
392 "}\n",
393 ".suggestion-name {\n",
394 " font-weight: bold;\n",
395 "}\n",
396 "</style><p>$$\\begin{bmatrix}\n",
397 "1 & 2 & 3 & 4\n",
398 "\\\\\n",
399 "5 & 6 & 7 & 8\n",
400 "\\\\\n",
401 "9 & 10 & 11 & 12\n",
402 "\\end{bmatrix}$$</p>"
403 ]
404 },
405 "metadata": {},
406 "output_type": "display_data"
407 }
408 ],
409 "source": [
410 "m"
411 ]
412 },
413 {
414 "cell_type": "code",
415 "execution_count": 9,
416 "metadata": {
417 "collapsed": false
418 },
419 "outputs": [
420 {
421 "data": {
422 "text/html": [
423 "<style>/*\n",
424 "Custom IHaskell CSS.\n",
425 "*/\n",
426 "\n",
427 "/* Styles used for the Hoogle display in the pager */\n",
428 ".hoogle-doc {\n",
429 " display: block;\n",
430 " padding-bottom: 1.3em;\n",
431 " padding-left: 0.4em;\n",
432 "}\n",
433 ".hoogle-code {\n",
434 " display: block;\n",
435 " font-family: monospace;\n",
436 " white-space: pre;\n",
437 "}\n",
438 ".hoogle-text {\n",
439 " display: block;\n",
440 "}\n",
441 ".hoogle-name {\n",
442 " color: green;\n",
443 " font-weight: bold;\n",
444 "}\n",
445 ".hoogle-head {\n",
446 " font-weight: bold;\n",
447 "}\n",
448 ".hoogle-sub {\n",
449 " display: block;\n",
450 " margin-left: 0.4em;\n",
451 "}\n",
452 ".hoogle-package {\n",
453 " font-weight: bold;\n",
454 " font-style: italic;\n",
455 "}\n",
456 ".hoogle-module {\n",
457 " font-weight: bold;\n",
458 "}\n",
459 ".hoogle-class {\n",
460 " font-weight: bold;\n",
461 "}\n",
462 "\n",
463 "/* Styles used for basic displays */\n",
464 ".get-type {\n",
465 " color: green;\n",
466 " font-weight: bold;\n",
467 " font-family: monospace;\n",
468 " display: block;\n",
469 " white-space: pre-wrap;\n",
470 "}\n",
471 "\n",
472 ".show-type {\n",
473 " color: green;\n",
474 " font-weight: bold;\n",
475 " font-family: monospace;\n",
476 " margin-left: 1em;\n",
477 "}\n",
478 "\n",
479 ".mono {\n",
480 " font-family: monospace;\n",
481 " display: block;\n",
482 "}\n",
483 "\n",
484 ".err-msg {\n",
485 " color: red;\n",
486 " font-style: italic;\n",
487 " font-family: monospace;\n",
488 " white-space: pre;\n",
489 " display: block;\n",
490 "}\n",
491 "\n",
492 "#unshowable {\n",
493 " color: red;\n",
494 " font-weight: bold;\n",
495 "}\n",
496 "\n",
497 ".err-msg.in.collapse {\n",
498 " padding-top: 0.7em;\n",
499 "}\n",
500 "\n",
501 "/* Code that will get highlighted before it is highlighted */\n",
502 ".highlight-code {\n",
503 " white-space: pre;\n",
504 " font-family: monospace;\n",
505 "}\n",
506 "\n",
507 "/* Hlint styles */\n",
508 ".suggestion-warning { \n",
509 " font-weight: bold;\n",
510 " color: rgb(200, 130, 0);\n",
511 "}\n",
512 ".suggestion-error { \n",
513 " font-weight: bold;\n",
514 " color: red;\n",
515 "}\n",
516 ".suggestion-name {\n",
517 " font-weight: bold;\n",
518 "}\n",
519 "</style><p>$$\\begin{bmatrix}\n",
520 "3 & 3 & 3 & 4\n",
521 "\\\\\n",
522 "5 & 6 & 7 & 8\n",
523 "\\\\\n",
524 "8 & 8 & 8 & 8\n",
525 "\\end{bmatrix}$$</p>"
526 ]
527 },
528 "metadata": {},
529 "output_type": "display_data"
530 }
531 ],
532 "source": [
533 "clip 3 8 m"
534 ]
535 },
536 {
537 "cell_type": "code",
538 "execution_count": 10,
539 "metadata": {
540 "collapsed": false
541 },
542 "outputs": [
543 {
544 "data": {
545 "text/plain": [
546 "[(1,2),(1,3),(2,0),(2,1),(2,2),(2,3)]"
547 ]
548 },
549 "metadata": {},
550 "output_type": "display_data"
551 }
552 ],
553 "source": [
554 "find (>6) m"
555 ]
556 },
557 {
558 "cell_type": "code",
559 "execution_count": 11,
560 "metadata": {
561 "collapsed": false
562 },
563 "outputs": [
564 {
565 "data": {
566 "text/html": [
567 "<style>/*\n",
568 "Custom IHaskell CSS.\n",
569 "*/\n",
570 "\n",
571 "/* Styles used for the Hoogle display in the pager */\n",
572 ".hoogle-doc {\n",
573 " display: block;\n",
574 " padding-bottom: 1.3em;\n",
575 " padding-left: 0.4em;\n",
576 "}\n",
577 ".hoogle-code {\n",
578 " display: block;\n",
579 " font-family: monospace;\n",
580 " white-space: pre;\n",
581 "}\n",
582 ".hoogle-text {\n",
583 " display: block;\n",
584 "}\n",
585 ".hoogle-name {\n",
586 " color: green;\n",
587 " font-weight: bold;\n",
588 "}\n",
589 ".hoogle-head {\n",
590 " font-weight: bold;\n",
591 "}\n",
592 ".hoogle-sub {\n",
593 " display: block;\n",
594 " margin-left: 0.4em;\n",
595 "}\n",
596 ".hoogle-package {\n",
597 " font-weight: bold;\n",
598 " font-style: italic;\n",
599 "}\n",
600 ".hoogle-module {\n",
601 " font-weight: bold;\n",
602 "}\n",
603 ".hoogle-class {\n",
604 " font-weight: bold;\n",
605 "}\n",
606 "\n",
607 "/* Styles used for basic displays */\n",
608 ".get-type {\n",
609 " color: green;\n",
610 " font-weight: bold;\n",
611 " font-family: monospace;\n",
612 " display: block;\n",
613 " white-space: pre-wrap;\n",
614 "}\n",
615 "\n",
616 ".show-type {\n",
617 " color: green;\n",
618 " font-weight: bold;\n",
619 " font-family: monospace;\n",
620 " margin-left: 1em;\n",
621 "}\n",
622 "\n",
623 ".mono {\n",
624 " font-family: monospace;\n",
625 " display: block;\n",
626 "}\n",
627 "\n",
628 ".err-msg {\n",
629 " color: red;\n",
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664 "\\top & \\top & \\top & \\cdot\n",
665 "\\\\\n",
666 "\\cdot & \\cdot & \\cdot & \\cdot\n",
667 "\\\\\n",
668 "\\cdot & \\top & \\top & \\top\n",
669 "\\end{bmatrix}$$</p>"
670 ]
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677 "(m .>=. 10) .||. (m .<. 4)"
678 ]
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790 "\\\\\n",
791 "27 & 30 & 50 & 12\n",
792 "\\end{bmatrix}$$</p>"
793 ]
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800 "cond (col [1..3]) (row [1..4]) m 50 (3*m)"
801 ]
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827 "assoc (6,8) 7 $ zip (find (/=0) (eye 5)) [10..] :: Matrix Z"
828 ]
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940 "\\\\\n",
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946 "\\end{bmatrix}$$</p>"
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954 "accum (eye 5) (+) [((0,2),3), ((3,1),7), ((1,1),1)]"
955 ]
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957 {
958 "cell_type": "code",
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960 "metadata": {
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965 "p = fromList [0,0,1,1] :: Vector I\n",
966 "q = fromList [0,1,0,1] :: Vector I"
967 ]
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970 "cell_type": "code",
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1079 "\\\\\n",
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1083 "\\end{bmatrix}$$</p>"
1084 ]
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1088 }
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1092 ]
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1096 "execution_count": 17,
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1098 "collapsed": false
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1100 "outputs": [
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1104 "True"
1105 ]
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1109 }
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1111 "source": [
1112 "taut $ (p `imp` q ) `equiv` (no q `imp` no p)"
1113 ]
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1117 "execution_count": 18,
1118 "metadata": {
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1125 "False"
1126 ]
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1129 "output_type": "display_data"
1130 }
1131 ],
1132 "source": [
1133 "taut $ xor p q `equiv` (p .&&. no q .||. no p .&&. q)"
1134 ]
1135 }
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diff --git a/examples/devel/ej1/functions.c b/examples/devel/ej1/functions.c
deleted file mode 100644
index 02a4cdd..0000000
--- a/examples/devel/ej1/functions.c
+++ /dev/null
@@ -1,35 +0,0 @@
1/* assuming row order */
2
3typedef struct { double r, i; } doublecomplex;
4
5#define DVEC(A) int A##n, double*A##p
6#define CVEC(A) int A##n, doublecomplex*A##p
7#define DMAT(A) int A##r, int A##c, double*A##p
8#define CMAT(A) int A##r, int A##c, doublecomplex*A##p
9
10#define AT(M,row,col) (M##p[(row)*M##c + (col)])
11
12/*-----------------------------------------------------*/
13
14int c_scale_vector(double s, DVEC(x), DVEC(y)) {
15 int k;
16 for (k=0; k<=yn; k++) {
17 yp[k] = s*xp[k];
18 }
19 return 0;
20}
21
22/*-----------------------------------------------------*/
23
24int c_diag(DMAT(m),DVEC(y),DMAT(z)) {
25 int i,j;
26 for (j=0; j<yn; j++) {
27 yp[j] = AT(m,j,j);
28 }
29 for (i=0; i<mr; i++) {
30 for (j=0; j<mc; j++) {
31 AT(z,i,j) = i==j?yp[i]:0;
32 }
33 }
34 return 0;
35}
diff --git a/examples/devel/ej1/wrappers.hs b/examples/devel/ej1/wrappers.hs
deleted file mode 100644
index a88f74b..0000000
--- a/examples/devel/ej1/wrappers.hs
+++ /dev/null
@@ -1,44 +0,0 @@
1{-# LANGUAGE ForeignFunctionInterface #-}
2
3-- $ ghc -O2 --make wrappers.hs functions.c
4
5import Numeric.LinearAlgebra
6import Data.Packed.Development
7import Foreign(Ptr,unsafePerformIO)
8import Foreign.C.Types(CInt)
9
10-----------------------------------------------------
11
12main = do
13 print $ myScale 3.0 (fromList [1..10])
14 print $ myDiag $ (3><5) [1..]
15
16-----------------------------------------------------
17
18foreign import ccall unsafe "c_scale_vector"
19 cScaleVector :: Double -- scale
20 -> CInt -> Ptr Double -- argument
21 -> CInt -> Ptr Double -- result
22 -> IO CInt -- exit code
23
24myScale s x = unsafePerformIO $ do
25 y <- createVector (dim x)
26 app2 (cScaleVector s) vec x vec y "cScaleVector"
27 return y
28
29-----------------------------------------------------
30-- forcing row order
31
32foreign import ccall unsafe "c_diag"
33 cDiag :: CInt -> CInt -> Ptr Double -- argument
34 -> CInt -> Ptr Double -- result1
35 -> CInt -> CInt -> Ptr Double -- result2
36 -> IO CInt -- exit code
37
38myDiag m = unsafePerformIO $ do
39 y <- createVector (min r c)
40 z <- createMatrix RowMajor r c
41 app3 cDiag mat (cmat m) vec y mat z "cDiag"
42 return (y,z)
43 where r = rows m
44 c = cols m
diff --git a/examples/devel/ej2/functions.c b/examples/devel/ej2/functions.c
deleted file mode 100644
index 4dcd377..0000000
--- a/examples/devel/ej2/functions.c
+++ /dev/null
@@ -1,24 +0,0 @@
1/* general element order */
2
3typedef struct { double r, i; } doublecomplex;
4
5#define DVEC(A) int A##n, double*A##p
6#define CVEC(A) int A##n, doublecomplex*A##p
7#define DMAT(A) int A##r, int A##c, double*A##p
8#define CMAT(A) int A##r, int A##c, doublecomplex*A##p
9
10#define AT(M,r,c) (M##p[(r)*sr+(c)*sc])
11
12int c_diag(int ro, DMAT(m),DVEC(y),DMAT(z)) {
13 int i,j,sr,sc;
14 if (ro==1) { sr = mc; sc = 1;} else { sr = 1; sc = mr;}
15 for (j=0; j<yn; j++) {
16 yp[j] = AT(m,j,j);
17 }
18 for (i=0; i<mr; i++) {
19 for (j=0; j<mc; j++) {
20 AT(z,i,j) = i==j?yp[i]:0;
21 }
22 }
23 return 0;
24}
diff --git a/examples/devel/ej2/wrappers.hs b/examples/devel/ej2/wrappers.hs
deleted file mode 100644
index 1c02a24..0000000
--- a/examples/devel/ej2/wrappers.hs
+++ /dev/null
@@ -1,32 +0,0 @@
1{-# LANGUAGE ForeignFunctionInterface #-}
2
3-- $ ghc -O2 --make wrappers.hs functions.c
4
5import Numeric.LinearAlgebra
6import Data.Packed.Development
7import Foreign(Ptr,unsafePerformIO)
8import Foreign.C.Types(CInt)
9
10-----------------------------------------------------
11
12main = do
13 print $ myDiag $ (3><5) [1..]
14
15-----------------------------------------------------
16-- arbitrary data order
17
18foreign import ccall unsafe "c_diag"
19 cDiag :: CInt -- matrix order
20 -> CInt -> CInt -> Ptr Double -- argument
21 -> CInt -> Ptr Double -- result1
22 -> CInt -> CInt -> Ptr Double -- result2
23 -> IO CInt -- exit code
24
25myDiag m = unsafePerformIO $ do
26 y <- createVector (min r c)
27 z <- createMatrix (orderOf m) r c
28 app3 (cDiag o) mat m vec y mat z "cDiag"
29 return (y,z)
30 where r = rows m
31 c = cols m
32 o = if orderOf m == RowMajor then 1 else 0
diff --git a/examples/devel/example/functions.c b/examples/devel/example/functions.c
new file mode 100644
index 0000000..67d3270
--- /dev/null
+++ b/examples/devel/example/functions.c
@@ -0,0 +1,22 @@
1
2typedef struct { double r, i; } doublecomplex;
3
4#define VEC(T,A) int A##n, T* A##p
5#define MAT(T,A) int A##r, int A##c, int A##Xr, int A##Xc, T* A##p
6
7#define AT(m,i,j) (m##p[(i)*m##Xr + (j)*m##Xc])
8#define TRAV(m,i,j) int i,j; for (i=0;i<m##r;i++) for (j=0;j<m##c;j++)
9
10
11int c_diag(MAT(double,m), VEC(double,y), MAT(double,z)) {
12 int k;
13 for (k=0; k<yn; k++) {
14 yp[k] = AT(m,k,k);
15 }
16 { TRAV(z,i,j) {
17 AT(z,i,j) = i==j?yp[i]:0;
18 }
19 }
20 return 0;
21}
22
diff --git a/examples/devel/example/wrappers.hs b/examples/devel/example/wrappers.hs
new file mode 100644
index 0000000..f4e0f0b
--- /dev/null
+++ b/examples/devel/example/wrappers.hs
@@ -0,0 +1,45 @@
1{-# LANGUAGE ForeignFunctionInterface #-}
2{-# LANGUAGE TypeOperators #-}
3{-# LANGUAGE GADTs #-}
4
5{-
6 $ ghc -O2 wrappers.hs functions.c
7 $ ./wrappers
8-}
9
10import Numeric.LinearAlgebra
11import Numeric.LinearAlgebra.Devel
12import System.IO.Unsafe(unsafePerformIO)
13import Foreign.C.Types(CInt(..))
14import Foreign.Ptr(Ptr)
15
16
17infixl 1 #
18a # b = apply a b
19{-# INLINE (#) #-}
20
21infixr 5 :>, ::>
22type (:>) t r = CInt -> Ptr t -> r
23type (::>) t r = CInt -> CInt -> CInt -> CInt -> Ptr t -> r
24type Ok = IO CInt
25
26-----------------------------------------------------
27
28x = (3><5) [1..]
29
30main = do
31 print x
32 print $ myDiag x
33 print $ myDiag (tr x)
34
35-----------------------------------------------------
36foreign import ccall unsafe "c_diag" cDiag :: Double ::> Double :> Double ::> Ok
37
38myDiag m = unsafePerformIO $ do
39 y <- createVector (min r c)
40 z <- createMatrix RowMajor r c
41 cDiag # m # y # z #| "cDiag"
42 return (y,z)
43 where
44 (r,c) = size m
45
diff --git a/examples/error.hs b/examples/error.hs
index 5efae7c..77467df 100644
--- a/examples/error.hs
+++ b/examples/error.hs
@@ -8,6 +8,7 @@ test x = catch
8 (print x) 8 (print x)
9 (\e -> putStrLn $ "captured ["++ show (e :: SomeException) ++"]") 9 (\e -> putStrLn $ "captured ["++ show (e :: SomeException) ++"]")
10 10
11
11main = do 12main = do
12 setErrorHandlerOff 13 setErrorHandlerOff
13 14
@@ -15,7 +16,8 @@ main = do
15 test $ 5 + (fst.exp_e) 1000 16 test $ 5 + (fst.exp_e) 1000
16 test $ bessel_zero_Jnu_e (-0.3) 2 17 test $ bessel_zero_Jnu_e (-0.3) 2
17 18
18 test $ (linearSolve 0 4 :: Matrix Double) 19 test $ (inv 0 :: Matrix Double)
19 test $ (linearSolve 5 (sqrt (-1)) :: Matrix Double) 20 test $ (linearSolveLS 5 (sqrt (-1)) :: Matrix Double)
21
22 putStrLn "Bye"
20 23
21 putStrLn "Bye" \ No newline at end of file
diff --git a/examples/inplace.hs b/examples/inplace.hs
index 574aa44..19f9bc9 100644
--- a/examples/inplace.hs
+++ b/examples/inplace.hs
@@ -1,7 +1,9 @@
1-- some tests of the interface for pure 1-- some tests of the interface for pure
2-- computations with inplace updates 2-- computations with inplace updates
3 3
4import Numeric.LinearAlgebra.HMatrix 4{-# LANGUAGE FlexibleContexts #-}
5
6import Numeric.LinearAlgebra
5import Numeric.LinearAlgebra.Devel 7import Numeric.LinearAlgebra.Devel
6 8
7import Data.Array.Unboxed 9import Data.Array.Unboxed
diff --git a/examples/kalman.hs b/examples/kalman.hs
index 7fbe3d2..9756aa0 100644
--- a/examples/kalman.hs
+++ b/examples/kalman.hs
@@ -1,17 +1,15 @@
1import Numeric.LinearAlgebra 1import Numeric.LinearAlgebra
2import Graphics.Plot 2import Graphics.Plot
3 3
4vector l = fromList l :: Vector Double 4f = fromLists
5matrix ls = fromLists ls :: Matrix Double 5 [[1,0,0,0],
6diagl = diag . vector 6 [1,1,0,0],
7 [0,0,1,0],
8 [0,0,0,1]]
7 9
8f = matrix [[1,0,0,0], 10h = fromLists
9 [1,1,0,0], 11 [[0,-1,1,0],
10 [0,0,1,0], 12 [0,-1,0,1]]
11 [0,0,0,1]]
12
13h = matrix [[0,-1,1,0],
14 [0,-1,0,1]]
15 13
16q = diagl [1,1,0,0] 14q = diagl [1,1,0,0]
17 15
@@ -25,13 +23,13 @@ type Measurement = Vector Double
25 23
26kalman :: System -> State -> Measurement -> State 24kalman :: System -> State -> Measurement -> State
27kalman (System f h q r) (State x p) z = State x' p' where 25kalman (System f h q r) (State x p) z = State x' p' where
28 px = f <> x -- prediction 26 px = f #> x -- prediction
29 pq = f <> p <> trans f + q -- its covariance 27 pq = f <> p <> tr f + q -- its covariance
30 y = z - h <> px -- residue 28 y = z - h #> px -- residue
31 cy = h <> pq <> trans h + r -- its covariance 29 cy = h <> pq <> tr h + r -- its covariance
32 k = pq <> trans h <> inv cy -- kalman gain 30 k = pq <> tr h <> inv cy -- kalman gain
33 x' = px + k <> y -- new state 31 x' = px + k #> y -- new state
34 p' = (ident (dim x) - k <> h) <> pq -- its covariance 32 p' = (ident (size x) - k <> h) <> pq -- its covariance
35 33
36sys = System f h q r 34sys = System f h q r
37 35
@@ -49,3 +47,4 @@ main = do
49 print $ fromRows $ take 10 (map sX xs) 47 print $ fromRows $ take 10 (map sX xs)
50 mapM_ (print . sP) $ take 10 xs 48 mapM_ (print . sP) $ take 10 xs
51 mplot (evolution 20 (xs,des)) 49 mplot (evolution 20 (xs,des))
50
diff --git a/examples/lie.hs b/examples/lie.hs
index db21ea8..4933df6 100644
--- a/examples/lie.hs
+++ b/examples/lie.hs
@@ -1,8 +1,8 @@
1-- The magic of Lie Algebra 1-- The magic of Lie Algebra
2 2
3import Numeric.LinearAlgebra 3{-# LANGUAGE FlexibleContexts #-}
4 4
5disp = putStrLn . dispf 5 5import Numeric.LinearAlgebra
6 6
7rot1 :: Double -> Matrix Double 7rot1 :: Double -> Matrix Double
8rot1 a = (3><3) 8rot1 a = (3><3)
@@ -58,8 +58,8 @@ main = do
58 exact = rot3 a <> rot1 b <> rot2 c 58 exact = rot3 a <> rot1 b <> rot2 c
59 lie = scalar a * g3 |+| scalar b * g1 |+| scalar c * g2 59 lie = scalar a * g3 |+| scalar b * g1 |+| scalar c * g2
60 putStrLn "position in the tangent space:" 60 putStrLn "position in the tangent space:"
61 disp lie 61 disp 5 lie
62 putStrLn "exponential map back to the group (2 terms):" 62 putStrLn "exponential map back to the group (2 terms):"
63 disp (expm lie) 63 disp 5 (expm lie)
64 putStrLn "exact position:" 64 putStrLn "exact position:"
65 disp exact 65 disp 5 exact
diff --git a/examples/minimize.hs b/examples/minimize.hs
index 19b2cb3..c27afc2 100644
--- a/examples/minimize.hs
+++ b/examples/minimize.hs
@@ -20,7 +20,7 @@ partialDerivative n f v = fst (derivCentral 0.01 g (v!!n)) where
20 g x = f (concat [a,x:b]) 20 g x = f (concat [a,x:b])
21 (a,_:b) = splitAt n v 21 (a,_:b) = splitAt n v
22 22
23disp = putStrLn . format " " (printf "%.3f") 23disp' = putStrLn . format " " (printf "%.3f")
24 24
25allMethods :: (Enum a, Bounded a) => [a] 25allMethods :: (Enum a, Bounded a) => [a]
26allMethods = [minBound .. maxBound] 26allMethods = [minBound .. maxBound]
@@ -29,22 +29,23 @@ test method = do
29 print method 29 print method
30 let (s,p) = minimize method 1E-2 30 [1,1] f [5,7] 30 let (s,p) = minimize method 1E-2 30 [1,1] f [5,7]
31 print s 31 print s
32 disp p 32 disp' p
33 33
34testD method = do 34testD method = do
35 print method 35 print method
36 let (s,p) = minimizeD method 1E-3 30 1E-2 1E-4 f df [5,7] 36 let (s,p) = minimizeD method 1E-3 30 1E-2 1E-4 f df [5,7]
37 print s 37 print s
38 disp p 38 disp' p
39 39
40testD' method = do 40testD' method = do
41 putStrLn $ show method ++ " with estimated gradient" 41 putStrLn $ show method ++ " with estimated gradient"
42 let (s,p) = minimizeD method 1E-3 30 1E-2 1E-4 f (gradient f) [5,7] 42 let (s,p) = minimizeD method 1E-3 30 1E-2 1E-4 f (gradient f) [5,7]
43 print s 43 print s
44 disp p 44 disp' p
45 45
46main = do 46main = do
47 mapM_ test [NMSimplex, NMSimplex2] 47 mapM_ test [NMSimplex, NMSimplex2]
48 mapM_ testD allMethods 48 mapM_ testD allMethods
49 testD' ConjugateFR 49 testD' ConjugateFR
50 mplot $ drop 3 . toColumns . snd $ minimizeS f [5,7] 50 mplot $ drop 3 . toColumns . snd $ minimizeS f [5,7]
51
diff --git a/examples/monadic.hs b/examples/monadic.hs
index 7c6e0f4..cf8aacc 100644
--- a/examples/monadic.hs
+++ b/examples/monadic.hs
@@ -1,35 +1,37 @@
1-- monadic computations 1-- monadic computations
2-- (contributed by Vivian McPhail) 2-- (contributed by Vivian McPhail)
3 3
4{-# LANGUAGE FlexibleContexts #-}
5
4import Numeric.LinearAlgebra 6import Numeric.LinearAlgebra
7import Numeric.LinearAlgebra.Devel
5import Control.Monad.State.Strict 8import Control.Monad.State.Strict
6import Control.Monad.Maybe 9import Control.Monad.Trans.Maybe
7import Foreign.Storable(Storable) 10import Foreign.Storable(Storable)
8import System.Random(randomIO) 11import System.Random(randomIO)
9 12
10------------------------------------------- 13-------------------------------------------
11 14
12-- an instance of MonadIO, a monad transformer 15-- an instance of MonadIO, a monad transformer
13type VectorMonadT = StateT Int IO 16type VectorMonadT = StateT I IO
14 17
15test1 :: Vector Int -> IO (Vector Int) 18test1 :: Vector I -> IO (Vector I)
16test1 = mapVectorM $ \x -> do 19test1 = mapVectorM $ \x -> do
17 putStr $ (show x) ++ " " 20 putStr $ (show x) ++ " "
18 return (x + 1) 21 return (x + 1)
19 22
20-- we can have an arbitrary monad AND do IO 23-- we can have an arbitrary monad AND do IO
21addInitialM :: Vector Int -> VectorMonadT () 24addInitialM :: Vector I -> VectorMonadT ()
22addInitialM = mapVectorM_ $ \x -> do 25addInitialM = mapVectorM_ $ \x -> do
23 i <- get 26 i <- get
24 liftIO $ putStr $ (show $ x + i) ++ " " 27 liftIO $ putStr $ (show $ x + i) ++ " "
25 put $ x + i 28 put $ x + i
26 29
27-- sum the values of the even indiced elements 30-- sum the values of the even indiced elements
28sumEvens :: Vector Int -> Int 31sumEvens :: Vector I -> I
29sumEvens = foldVectorWithIndex (\x a b -> if x `mod` 2 == 0 then a + b else b) 0 32sumEvens = foldVectorWithIndex (\x a b -> if x `mod` 2 == 0 then a + b else b) 0
30 33
31-- sum and print running total of evens 34-- sum and print running total of evens
32sumEvensAndPrint :: Vector Int -> VectorMonadT ()
33sumEvensAndPrint = mapVectorWithIndexM_ $ \ i x -> do 35sumEvensAndPrint = mapVectorWithIndexM_ $ \ i x -> do
34 when (i `mod` 2 == 0) $ do 36 when (i `mod` 2 == 0) $ do
35 v <- get 37 v <- get
@@ -38,7 +40,7 @@ sumEvensAndPrint = mapVectorWithIndexM_ $ \ i x -> do
38 liftIO $ putStr $ (show v') ++ " " 40 liftIO $ putStr $ (show v') ++ " "
39 41
40 42
41indexPlusSum :: Vector Int -> VectorMonadT () 43--indexPlusSum :: Vector I -> VectorMonadT ()
42indexPlusSum v' = do 44indexPlusSum v' = do
43 let f i x = do 45 let f i x = do
44 s <- get 46 s <- get
@@ -63,7 +65,7 @@ monoStep d = do
63 65
64isMonotoneIncreasing :: Vector Double -> Bool 66isMonotoneIncreasing :: Vector Double -> Bool
65isMonotoneIncreasing v = 67isMonotoneIncreasing v =
66 let res = evalState (runMaybeT $ (mapVectorM_ monoStep v)) (v @> 0) 68 let res = evalState (runMaybeT $ (mapVectorM_ monoStep v)) (v ! 0)
67 in case res of 69 in case res of
68 Nothing -> False 70 Nothing -> False
69 Just _ -> True 71 Just _ -> True
@@ -72,8 +74,8 @@ isMonotoneIncreasing v =
72------------------------------------------- 74-------------------------------------------
73 75
74-- | apply a test to successive elements of a vector, evaluates to true iff test passes for all pairs 76-- | apply a test to successive elements of a vector, evaluates to true iff test passes for all pairs
75successive_ :: Storable a => (a -> a -> Bool) -> Vector a -> Bool 77successive_ :: (Container Vector a, Indexable (Vector a) a) => (a -> a -> Bool) -> Vector a -> Bool
76successive_ t v = maybe False (\_ -> True) $ evalState (runMaybeT (mapVectorM_ step (subVector 1 (dim v - 1) v))) (v @> 0) 78successive_ t v = maybe False (\_ -> True) $ evalState (runMaybeT (mapVectorM_ step (subVector 1 (size v - 1) v))) (v ! 0)
77 where step e = do 79 where step e = do
78 ep <- lift $ get 80 ep <- lift $ get
79 if t e ep 81 if t e ep
@@ -81,8 +83,10 @@ successive_ t v = maybe False (\_ -> True) $ evalState (runMaybeT (mapVectorM_ s
81 else (fail "successive_ test failed") 83 else (fail "successive_ test failed")
82 84
83-- | operate on successive elements of a vector and return the resulting vector, whose length 1 less than that of the input 85-- | operate on successive elements of a vector and return the resulting vector, whose length 1 less than that of the input
84successive :: (Storable a, Storable b) => (a -> a -> b) -> Vector a -> Vector b 86successive
85successive f v = evalState (mapVectorM step (subVector 1 (dim v - 1) v)) (v @> 0) 87 :: (Storable b, Container Vector s, Indexable (Vector s) s)
88 => (s -> s -> b) -> Vector s -> Vector b
89successive f v = evalState (mapVectorM step (subVector 1 (size v - 1) v)) (v ! 0)
86 where step e = do 90 where step e = do
87 ep <- get 91 ep <- get
88 put e 92 put e
@@ -90,7 +94,7 @@ successive f v = evalState (mapVectorM step (subVector 1 (dim v - 1) v)) (v @> 0
90 94
91------------------------------------------- 95-------------------------------------------
92 96
93v :: Vector Int 97v :: Vector I
94v = 10 |> [0..] 98v = 10 |> [0..]
95 99
96w = fromList ([1..10]++[10,9..1]) :: Vector Double 100w = fromList ([1..10]++[10,9..1]) :: Vector Double
@@ -116,3 +120,4 @@ main = do
116 print $ successive_ (>) v 120 print $ successive_ (>) v
117 print $ successive_ (>) w 121 print $ successive_ (>) w
118 print $ successive (+) v 122 print $ successive (+) v
123
diff --git a/examples/multiply.hs b/examples/multiply.hs
index 572961c..be8fa73 100644
--- a/examples/multiply.hs
+++ b/examples/multiply.hs
@@ -22,10 +22,10 @@ instance Container Vector t => Scaling t (Vector t) (Vector t) where
22instance Container Vector t => Scaling (Vector t) t (Vector t) where 22instance Container Vector t => Scaling (Vector t) t (Vector t) where
23 (â‹…) = flip scale 23 (â‹…) = flip scale
24 24
25instance Container Vector t => Scaling t (Matrix t) (Matrix t) where 25instance (Num t, Container Vector t) => Scaling t (Matrix t) (Matrix t) where
26 (â‹…) = scale 26 (â‹…) = scale
27 27
28instance Container Vector t => Scaling (Matrix t) t (Matrix t) where 28instance (Num t, Container Vector t) => Scaling (Matrix t) t (Matrix t) where
29 (â‹…) = flip scale 29 (â‹…) = flip scale
30 30
31 31
@@ -42,14 +42,14 @@ class Mul a b c | a b -> c, a c -> b, b c -> a where
42instance Product t => Mul (Vector t) (Vector t) t where 42instance Product t => Mul (Vector t) (Vector t) t where
43 (×) = udot 43 (×) = udot
44 44
45instance Product t => Mul (Matrix t) (Vector t) (Vector t) where 45instance (Numeric t, Product t) => Mul (Matrix t) (Vector t) (Vector t) where
46 (×) = mXv 46 (×) = (#>)
47 47
48instance Product t => Mul (Vector t) (Matrix t) (Vector t) where 48instance (Numeric t, Product t) => Mul (Vector t) (Matrix t) (Vector t) where
49 (×) = vXm 49 (×) = (<#)
50 50
51instance Product t => Mul (Matrix t) (Matrix t) (Matrix t) where 51instance (Numeric t, Product t) => Mul (Matrix t) (Matrix t) (Matrix t) where
52 (×) = mXm 52 (×) = (<>)
53 53
54 54
55--instance Scaling a b c => Contraction a b c where 55--instance Scaling a b c => Contraction a b c where
@@ -92,9 +92,9 @@ u = fromList [3,0,5]
92w = konst 1 (2,3) :: Matrix Double 92w = konst 1 (2,3) :: Matrix Double
93 93
94main = do 94main = do
95 print $ (scale s v <> m) `udot` v 95 print $ (scale s v <# m) `udot` v
96 print $ scale s v `udot` (m <> v) 96 print $ scale s v `udot` (m #> v)
97 print $ s * ((v <> m) `udot` v) 97 print $ s * ((v <# m) `udot` v)
98 print $ s ⋅ v × m × v 98 print $ s ⋅ v × m × v
99 print a 99 print a
100-- print (b == c) 100-- print (b == c)
diff --git a/examples/ode.hs b/examples/ode.hs
index dc6e0ec..4cf1673 100644
--- a/examples/ode.hs
+++ b/examples/ode.hs
@@ -43,7 +43,7 @@ vanderpol' mu = do
43 jac t (toList->[x,v]) = (2><2) [ 0 , 1 43 jac t (toList->[x,v]) = (2><2) [ 0 , 1
44 , -1-2*x*v*mu, mu*(1-x**2) ] 44 , -1-2*x*v*mu, mu*(1-x**2) ]
45 ts = linspace 1000 (0,50) 45 ts = linspace 1000 (0,50)
46 hi = (ts@>1 - ts@>0)/100 46 hi = (ts!1 - ts!0)/100
47 sol = toColumns $ odeSolveV (MSBDF jac) hi 1E-8 1E-8 (xdot mu) (fromList [1,0]) ts 47 sol = toColumns $ odeSolveV (MSBDF jac) hi 1E-8 1E-8 (xdot mu) (fromList [1,0]) ts
48 mplot sol 48 mplot sol
49 49
diff --git a/examples/pca1.hs b/examples/pca1.hs
index a11eba9..ad2214d 100644
--- a/examples/pca1.hs
+++ b/examples/pca1.hs
@@ -8,27 +8,25 @@ import Control.Monad(when)
8type Vec = Vector Double 8type Vec = Vector Double
9type Mat = Matrix Double 9type Mat = Matrix Double
10 10
11 11{-
12-- Vector with the mean value of the columns of a matrix 12-- Vector with the mean value of the columns of a matrix
13mean a = constant (recip . fromIntegral . rows $ a) (rows a) <> a 13mean a = constant (recip . fromIntegral . rows $ a) (rows a) <> a
14 14
15-- covariance matrix of a list of observations stored as rows 15-- covariance matrix of a list of observations stored as rows
16cov x = (trans xc <> xc) / fromIntegral (rows x - 1) 16cov x = (trans xc <> xc) / fromIntegral (rows x - 1)
17 where xc = x - asRow (mean x) 17 where xc = x - asRow (mean x)
18-}
18 19
19 20
20-- creates the compression and decompression functions from the desired number of components 21-- creates the compression and decompression functions from the desired number of components
21pca :: Int -> Mat -> (Vec -> Vec , Vec -> Vec) 22pca :: Int -> Mat -> (Vec -> Vec , Vec -> Vec)
22pca n dataSet = (encode,decode) 23pca n dataSet = (encode,decode)
23 where 24 where
24 encode x = vp <> (x - m) 25 encode x = vp #> (x - m)
25 decode x = x <> vp + m 26 decode x = x <# vp + m
26 m = mean dataSet 27 (m,c) = meanCov dataSet
27 c = cov dataSet 28 (_,v) = eigSH (trustSym c)
28 (_,v) = eigSH' c 29 vp = tr $ takeColumns n v
29 vp = takeRows n (trans v)
30
31norm = pnorm PNorm2
32 30
33main = do 31main = do
34 ok <- doesFileExist ("mnist.txt") 32 ok <- doesFileExist ("mnist.txt")
@@ -43,4 +41,4 @@ main = do
43 let (pe,pd) = pca 10 xs 41 let (pe,pd) = pca 10 xs
44 let y = pe x 42 let y = pe x
45 print y -- compressed version 43 print y -- compressed version
46 print $ norm (x - pd y) / norm x --reconstruction quality 44 print $ norm_2 (x - pd y) / norm_2 x --reconstruction quality
diff --git a/examples/pca2.hs b/examples/pca2.hs
index e7ea95f..892d382 100644
--- a/examples/pca2.hs
+++ b/examples/pca2.hs
@@ -1,5 +1,7 @@
1-- Improved PCA, including illustrative graphics 1-- Improved PCA, including illustrative graphics
2 2
3{-# LANGUAGE FlexibleContexts #-}
4
3import Numeric.LinearAlgebra 5import Numeric.LinearAlgebra
4import Graphics.Plot 6import Graphics.Plot
5import System.Directory(doesFileExist) 7import System.Directory(doesFileExist)
@@ -10,27 +12,27 @@ type Vec = Vector Double
10type Mat = Matrix Double 12type Mat = Matrix Double
11 13
12-- Vector with the mean value of the columns of a matrix 14-- Vector with the mean value of the columns of a matrix
13mean a = constant (recip . fromIntegral . rows $ a) (rows a) <> a 15mean a = konst (recip . fromIntegral . rows $ a) (rows a) <# a
14 16
15-- covariance matrix of a list of observations stored as rows 17-- covariance matrix of a list of observations stored as rows
16cov x = (trans xc <> xc) / fromIntegral (rows x - 1) 18cov x = (mTm xc) -- / fromIntegral (rows x - 1)
17 where xc = x - asRow (mean x) 19 where xc = x - asRow (mean x)
18 20
19 21
20type Stat = (Vec, [Double], Mat) 22type Stat = (Vec, [Double], Mat)
21-- 1st and 2nd order statistics of a dataset (mean, eigenvalues and eigenvectors of cov) 23-- 1st and 2nd order statistics of a dataset (mean, eigenvalues and eigenvectors of cov)
22stat :: Mat -> Stat 24stat :: Mat -> Stat
23stat x = (m, toList s, trans v) where 25stat x = (m, toList s, tr v) where
24 m = mean x 26 m = mean x
25 (s,v) = eigSH' (cov x) 27 (s,v) = eigSH (cov x)
26 28
27-- creates the compression and decompression functions from the desired reconstruction 29-- creates the compression and decompression functions from the desired reconstruction
28-- quality and the statistics of a data set 30-- quality and the statistics of a data set
29pca :: Double -> Stat -> (Vec -> Vec , Vec -> Vec) 31pca :: Double -> Stat -> (Vec -> Vec , Vec -> Vec)
30pca prec (m,s,v) = (encode,decode) 32pca prec (m,s,v) = (encode,decode)
31 where 33 where
32 encode x = vp <> (x - m) 34 encode x = vp #> (x - m)
33 decode x = x <> vp + m 35 decode x = x <# vp + m
34 vp = takeRows n v 36 vp = takeRows n v
35 n = 1 + (length $ fst $ span (< (prec'*sum s)) $ cumSum s) 37 n = 1 + (length $ fst $ span (< (prec'*sum s)) $ cumSum s)
36 cumSum = tail . scanl (+) 0.0 38 cumSum = tail . scanl (+) 0.0
@@ -46,7 +48,7 @@ test :: Stat -> Double -> Vec -> IO ()
46test st prec x = do 48test st prec x = do
47 let (pe,pd) = pca prec st 49 let (pe,pd) = pca prec st
48 let y = pe x 50 let y = pe x
49 print $ dim y 51 print $ size y
50 shdigit (pd y) 52 shdigit (pd y)
51 53
52main = do 54main = do
@@ -63,3 +65,4 @@ main = do
63 let st = stat xs 65 let st = stat xs
64 test st 0.90 x 66 test st 0.90 x
65 test st 0.50 x 67 test st 0.50 x
68
diff --git a/examples/pinv.hs b/examples/pinv.hs
index 7de50b8..6f093b4 100644
--- a/examples/pinv.hs
+++ b/examples/pinv.hs
@@ -1,20 +1,19 @@
1import Numeric.LinearAlgebra 1import Numeric.LinearAlgebra
2import Graphics.Plot
3import Text.Printf(printf) 2import Text.Printf(printf)
4 3
5expand :: Int -> Vector Double -> Matrix Double 4expand :: Int -> Vector R -> Matrix R
6expand n x = fromColumns $ map (x^) [0 .. n] 5expand n x = fromColumns $ map (x^) [0 .. n]
7 6
8polynomialModel :: Vector Double -> Vector Double -> Int 7polynomialModel :: Vector R -> Vector R -> Int
9 -> (Vector Double -> Vector Double) 8 -> (Vector R -> Vector R)
10polynomialModel x y n = f where 9polynomialModel x y n = f where
11 f z = expand n z <> ws 10 f z = expand n z #> ws
12 ws = expand n x <\> y 11 ws = expand n x <\> y
13 12
14main = do 13main = do
15 [x,y] <- (toColumns . readMatrix) `fmap` readFile "data.txt" 14 [x,y] <- toColumns <$> loadMatrix "data.txt"
16 let pol = polynomialModel x y 15 let pol = polynomialModel x y
17 let view = [x, y, pol 1 x, pol 2 x, pol 3 x] 16 let view = [x, y, pol 1 x, pol 2 x, pol 3 x]
18 putStrLn $ " x y p 1 p 2 p 3" 17 putStrLn $ " x y p 1 p 2 p 3"
19 putStrLn $ format " " (printf "%.2f") $ fromColumns view 18 putStrLn $ format " " (printf "%.2f") $ fromColumns view
20 mplot view 19
diff --git a/examples/pinv.ipynb b/examples/pinv.ipynb
new file mode 100644
index 0000000..532b8d0
--- /dev/null
+++ b/examples/pinv.ipynb
@@ -0,0 +1,722 @@
1{
2 "cells": [
3 {
4 "cell_type": "code",
5 "execution_count": 1,
6 "metadata": {
7 "collapsed": true
8 },
9 "outputs": [],
10 "source": [
11 "import Numeric.LinearAlgebra"
12 ]
13 },
14 {
15 "cell_type": "code",
16 "execution_count": 2,
17 "metadata": {
18 "collapsed": true
19 },
20 "outputs": [],
21 "source": [
22 "import IHaskell.Display"
23 ]
24 },
25 {
26 "cell_type": "code",
27 "execution_count": 3,
28 "metadata": {
29 "collapsed": false
30 },
31 "outputs": [],
32 "source": [
33 ":ext FlexibleInstances\n",
34 "\n",
35 "dec = 3\n",
36 "\n",
37 "instance IHaskellDisplay (Matrix C) where\n",
38 " display m = return $ Display [html (\"<p>$$\"++(latexFormat \"bmatrix\" . dispcf dec) m++\"$$</p>\")]\n",
39 "\n",
40 "instance IHaskellDisplay (Matrix R) where\n",
41 " display m = return $ Display [html (\"<p>$$\"++ (latexFormat \"bmatrix\" . dispf dec) m++\"$$</p>\")]"
42 ]
43 },
44 {
45 "cell_type": "code",
46 "execution_count": 4,
47 "metadata": {
48 "collapsed": true
49 },
50 "outputs": [],
51 "source": [
52 "import Graphics.SVG\n",
53 "data RawSVG = RawSVG String\n",
54 "instance IHaskellDisplay RawSVG where\n",
55 " display (RawSVG s) = return $ Display [html $ \"<div style=\\\"width:600px\\\">\"++ s ++ \"</div>\"]\n",
56 "\n",
57 "lplot = RawSVG . hPlot"
58 ]
59 },
60 {
61 "cell_type": "markdown",
62 "metadata": {},
63 "source": [
64 "# least squares polynomial model"
65 ]
66 },
67 {
68 "cell_type": "code",
69 "execution_count": 5,
70 "metadata": {
71 "collapsed": false
72 },
73 "outputs": [],
74 "source": [
75 "expand :: Int -> Vector R -> Matrix R\n",
76 "expand n x = fromColumns $ map (x^) [0 .. n]\n",
77 "\n",
78 "polynomialModel :: Vector R -> Vector R -> Int -> (Vector R -> Vector R)\n",
79 "polynomialModel x y n = f\n",
80 " where\n",
81 " f z = expand n z #> ws\n",
82 " ws = expand n x <\\> y"
83 ]
84 },
85 {
86 "cell_type": "code",
87 "execution_count": 6,
88 "metadata": {
89 "collapsed": true
90 },
91 "outputs": [],
92 "source": [
93 "[x,y] <- toColumns <$> loadMatrix \"data.txt\""
94 ]
95 },
96 {
97 "cell_type": "code",
98 "execution_count": 7,
99 "metadata": {
100 "collapsed": false
101 },
102 "outputs": [
103 {
104 "data": {
105 "text/plain": [
106 "[0.9,2.1,3.1,4.0,4.9,6.1,7.0,7.9,9.1,10.2]"
107 ]
108 },
109 "metadata": {},
110 "output_type": "display_data"
111 },
112 {
113 "data": {
114 "text/plain": [
115 "[1.1,3.9,9.2,51.8,25.3,35.7,49.4,3.6,81.5,99.5]"
116 ]
117 },
118 "metadata": {},
119 "output_type": "display_data"
120 }
121 ],
122 "source": [
123 "x\n",
124 "y"
125 ]
126 },
127 {
128 "cell_type": "code",
129 "execution_count": 8,
130 "metadata": {
131 "collapsed": false
132 },
133 "outputs": [
134 {
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137 "<style>/*\n",
138 "Custom IHaskell CSS.\n",
139 "*/\n",
140 "\n",
141 "/* Styles used for the Hoogle display in the pager */\n",
142 ".hoogle-doc {\n",
143 " display: block;\n",
144 " padding-bottom: 1.3em;\n",
145 " padding-left: 0.4em;\n",
146 "}\n",
147 ".hoogle-code {\n",
148 " display: block;\n",
149 " font-family: monospace;\n",
150 " white-space: pre;\n",
151 "}\n",
152 ".hoogle-text {\n",
153 " display: block;\n",
154 "}\n",
155 ".hoogle-name {\n",
156 " color: green;\n",
157 " font-weight: bold;\n",
158 "}\n",
159 ".hoogle-head {\n",
160 " font-weight: bold;\n",
161 "}\n",
162 ".hoogle-sub {\n",
163 " display: block;\n",
164 " margin-left: 0.4em;\n",
165 "}\n",
166 ".hoogle-package {\n",
167 " font-weight: bold;\n",
168 " font-style: italic;\n",
169 "}\n",
170 ".hoogle-module {\n",
171 " font-weight: bold;\n",
172 "}\n",
173 ".hoogle-class {\n",
174 " font-weight: bold;\n",
175 "}\n",
176 "\n",
177 "/* Styles used for basic displays */\n",
178 ".get-type {\n",
179 " color: green;\n",
180 " font-weight: bold;\n",
181 " font-family: monospace;\n",
182 " display: block;\n",
183 " white-space: pre-wrap;\n",
184 "}\n",
185 "\n",
186 ".show-type {\n",
187 " color: green;\n",
188 " font-weight: bold;\n",
189 " font-family: monospace;\n",
190 " margin-left: 1em;\n",
191 "}\n",
192 "\n",
193 ".mono {\n",
194 " font-family: monospace;\n",
195 " display: block;\n",
196 "}\n",
197 "\n",
198 ".err-msg {\n",
199 " color: red;\n",
200 " font-style: italic;\n",
201 " font-family: monospace;\n",
202 " white-space: pre;\n",
203 " display: block;\n",
204 "}\n",
205 "\n",
206 "#unshowable {\n",
207 " color: red;\n",
208 " font-weight: bold;\n",
209 "}\n",
210 "\n",
211 ".err-msg.in.collapse {\n",
212 " padding-top: 0.7em;\n",
213 "}\n",
214 "\n",
215 "/* Code that will get highlighted before it is highlighted */\n",
216 ".highlight-code {\n",
217 " white-space: pre;\n",
218 " font-family: monospace;\n",
219 "}\n",
220 "\n",
221 "/* Hlint styles */\n",
222 ".suggestion-warning { \n",
223 " font-weight: bold;\n",
224 " color: rgb(200, 130, 0);\n",
225 "}\n",
226 ".suggestion-error { \n",
227 " font-weight: bold;\n",
228 " color: red;\n",
229 "}\n",
230 ".suggestion-name {\n",
231 " font-weight: bold;\n",
232 "}\n",
233 "</style><p>$$\\begin{bmatrix}\n",
234 "1.000 & 0.900 & 0.810\n",
235 "\\\\\n",
236 "1.000 & 2.100 & 4.410\n",
237 "\\\\\n",
238 "1.000 & 3.100 & 9.610\n",
239 "\\\\\n",
240 "1.000 & 4.000 & 16.000\n",
241 "\\\\\n",
242 "1.000 & 4.900 & 24.010\n",
243 "\\\\\n",
244 "1.000 & 6.100 & 37.210\n",
245 "\\\\\n",
246 "1.000 & 7.000 & 49.000\n",
247 "\\\\\n",
248 "1.000 & 7.900 & 62.410\n",
249 "\\\\\n",
250 "1.000 & 9.100 & 82.810\n",
251 "\\\\\n",
252 "1.000 & 10.200 & 104.040\n",
253 "\\end{bmatrix}$$</p>"
254 ]
255 },
256 "metadata": {},
257 "output_type": "display_data"
258 }
259 ],
260 "source": [
261 "expand 2 x"
262 ]
263 },
264 {
265 "cell_type": "code",
266 "execution_count": 9,
267 "metadata": {
268 "collapsed": true
269 },
270 "outputs": [],
271 "source": [
272 "pol = polynomialModel x y\n",
273 "view = [x, y, pol 1 x, pol 2 x, pol 3 x]"
274 ]
275 },
276 {
277 "cell_type": "code",
278 "execution_count": 10,
279 "metadata": {
280 "collapsed": false
281 },
282 "outputs": [
283 {
284 "data": {
285 "text/plain": [
286 " x y p 1 p 2 p 3"
287 ]
288 },
289 "metadata": {},
290 "output_type": "display_data"
291 },
292 {
293 "data": {
294 "text/plain": [
295 " 0.90 1.10 -3.41 7.70 -6.99\n",
296 " 2.10 3.90 6.83 9.80 15.97\n",
297 " 3.10 9.20 15.36 13.39 25.09\n",
298 " 4.00 51.80 23.04 18.05 28.22\n",
299 " 4.90 25.30 30.72 24.05 28.86\n",
300 " 6.10 35.70 40.96 34.16 29.68\n",
301 " 7.00 49.40 48.64 43.31 33.17\n",
302 " 7.90 3.60 56.32 53.82 41.60\n",
303 " 9.10 81.50 66.57 69.92 64.39\n",
304 "10.20 99.50 75.95 86.80 101.01"
305 ]
306 },
307 "metadata": {},
308 "output_type": "display_data"
309 }
310 ],
311 "source": [
312 "import Text.Printf\n",
313 "\n",
314 "putStrLn \" x y p 1 p 2 p 3\"\n",
315 "putStrLn $ format \" \" (printf \"%.2f\") $ fromColumns view"
316 ]
317 },
318 {
319 "cell_type": "code",
320 "execution_count": 11,
321 "metadata": {
322 "collapsed": false
323 },
324 "outputs": [],
325 "source": [
326 "t = linspace 100 (minElement x, maxElement x)"
327 ]
328 },
329 {
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331 "execution_count": 12,
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333 "collapsed": false
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585 "\n",
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588 "<path d = 'M 144.961 350.000 144.961 344.000 ' />\n",
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683 "\n",
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685 "\n",
686 "\n",
687 "</svg>\n",
688 "</div>"
689 ]
690 },
691 "metadata": {},
692 "output_type": "display_data"
693 }
694 ],
695 "source": [
696 "lplot\n",
697 " [ plotMark x y \"none\" 1 circles \"red\" 3 \"data\"\n",
698 " , plot t (pol 1 t) \"blue\" 1 \"degree 1\"\n",
699 " , plot t (pol 2 t) \"green\" 1 \"degree 2\"\n",
700 " , plot t (pol 3 t) \"brown\" 1 \"degree 3\"\n",
701 " , plot t (pol 9 t) \"gray\" 1 \"degree 9\"\n",
702 " , MarginX 0.05, Title \"polynomial models\", LegendPos 0.05 0.95, MaxY 120\n",
703 " ] "
704 ]
705 }
706 ],
707 "metadata": {
708 "kernelspec": {
709 "display_name": "Haskell",
710 "language": "haskell",
711 "name": "haskell"
712 },
713 "language_info": {
714 "codemirror_mode": "ihaskell",
715 "file_extension": ".hs",
716 "name": "haskell",
717 "version": "7.10.1"
718 }
719 },
720 "nbformat": 4,
721 "nbformat_minor": 0
722}
diff --git a/examples/plot.hs b/examples/plot.hs
index f950aa5..90643ed 100644
--- a/examples/plot.hs
+++ b/examples/plot.hs
@@ -16,5 +16,5 @@ cumdist x = 0.5 * (1+ erf (x/sqrt 2))
16main = do 16main = do
17 let x = linspace 1000 (-4,4) 17 let x = linspace 1000 (-4,4)
18 mplot [f x] 18 mplot [f x]
19 mplot [x, mapVector cumdist x, mapVector gaussianPDF x] 19 mplot [x, cmap cumdist x, cmap gaussianPDF x]
20 mesh (sombrero 40) \ No newline at end of file 20 mesh (sombrero 40)
diff --git a/examples/repmat.ipynb b/examples/repmat.ipynb
new file mode 100644
index 0000000..afa9706
--- /dev/null
+++ b/examples/repmat.ipynb
@@ -0,0 +1,138 @@
1{
2 "cells": [
3 {
4 "cell_type": "markdown",
5 "metadata": {},
6 "source": [
7 "# repmat"
8 ]
9 },
10 {
11 "cell_type": "markdown",
12 "metadata": {},
13 "source": [
14 "An alternative implementation of `repmat` using the new in-place tools."
15 ]
16 },
17 {
18 "cell_type": "code",
19 "execution_count": 1,
20 "metadata": {
21 "collapsed": false
22 },
23 "outputs": [],
24 "source": [
25 ":ext FlexibleContexts\n",
26 "\n",
27 "import Numeric.LinearAlgebra\n",
28 "import Numeric.LinearAlgebra.Devel"
29 ]
30 },
31 {
32 "cell_type": "code",
33 "execution_count": 2,
34 "metadata": {
35 "collapsed": true
36 },
37 "outputs": [],
38 "source": [
39 "m = (3><4)[1..] :: Matrix Z"
40 ]
41 },
42 {
43 "cell_type": "code",
44 "execution_count": 3,
45 "metadata": {
46 "collapsed": false
47 },
48 "outputs": [
49 {
50 "data": {
51 "text/plain": [
52 "(3><4)\n",
53 " [ 1, 2, 3, 4\n",
54 " , 5, 6, 7, 8\n",
55 " , 9, 10, 11, 12 ]"
56 ]
57 },
58 "metadata": {},
59 "output_type": "display_data"
60 }
61 ],
62 "source": [
63 "m"
64 ]
65 },
66 {
67 "cell_type": "code",
68 "execution_count": 4,
69 "metadata": {
70 "collapsed": true
71 },
72 "outputs": [],
73 "source": [
74 "import Control.Monad.ST"
75 ]
76 },
77 {
78 "cell_type": "code",
79 "execution_count": 5,
80 "metadata": {
81 "collapsed": false
82 },
83 "outputs": [],
84 "source": [
85 "rpmt m i j = runST $ do\n",
86 " x <- newUndefinedMatrix RowMajor dr dc\n",
87 " sequence_ [ setMatrix x a b m | a <- [0,r..dr], b <-[0,c..dc] ]\n",
88 " unsafeFreezeMatrix x\n",
89 " where\n",
90 " (r,c) = size m\n",
91 " dr = i*r\n",
92 " dc = j*c"
93 ]
94 },
95 {
96 "cell_type": "code",
97 "execution_count": 6,
98 "metadata": {
99 "collapsed": false
100 },
101 "outputs": [
102 {
103 "data": {
104 "text/plain": [
105 "(6><12)\n",
106 " [ 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4\n",
107 " , 5, 6, 7, 8, 5, 6, 7, 8, 5, 6, 7, 8\n",
108 " , 9, 10, 11, 12, 9, 10, 11, 12, 9, 10, 11, 12\n",
109 " , 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4\n",
110 " , 5, 6, 7, 8, 5, 6, 7, 8, 5, 6, 7, 8\n",
111 " , 9, 10, 11, 12, 9, 10, 11, 12, 9, 10, 11, 12 ]"
112 ]
113 },
114 "metadata": {},
115 "output_type": "display_data"
116 }
117 ],
118 "source": [
119 "rpmt m 2 3"
120 ]
121 }
122 ],
123 "metadata": {
124 "kernelspec": {
125 "display_name": "Haskell",
126 "language": "haskell",
127 "name": "haskell"
128 },
129 "language_info": {
130 "codemirror_mode": "ihaskell",
131 "file_extension": ".hs",
132 "name": "haskell",
133 "version": "7.10.1"
134 }
135 },
136 "nbformat": 4,
137 "nbformat_minor": 0
138}
diff --git a/examples/root.hs b/examples/root.hs
index 8546ff5..fa6e77a 100644
--- a/examples/root.hs
+++ b/examples/root.hs
@@ -9,7 +9,7 @@ test method = do
9 print method 9 print method
10 let (s,p) = root method 1E-7 30 (rosenbrock 1 10) [-10,-5] 10 let (s,p) = root method 1E-7 30 (rosenbrock 1 10) [-10,-5]
11 print s -- solution 11 print s -- solution
12 disp p -- evolution of the algorithm 12 disp' p -- evolution of the algorithm
13 13
14jacobian a b [x,y] = [ [-a , 0] 14jacobian a b [x,y] = [ [-a , 0]
15 , [-2*b*x, b] ] 15 , [-2*b*x, b] ]
@@ -18,9 +18,9 @@ testJ method = do
18 print method 18 print method
19 let (s,p) = rootJ method 1E-7 30 (rosenbrock 1 10) (jacobian 1 10) [-10,-5] 19 let (s,p) = rootJ method 1E-7 30 (rosenbrock 1 10) (jacobian 1 10) [-10,-5]
20 print s 20 print s
21 disp p 21 disp' p
22 22
23disp = putStrLn . format " " (printf "%.3f") 23disp' = putStrLn . format " " (printf "%.3f")
24 24
25main = do 25main = do
26 test Hybrids 26 test Hybrids
diff --git a/examples/vector.hs b/examples/vector.hs
deleted file mode 100644
index f531cbd..0000000
--- a/examples/vector.hs
+++ /dev/null
@@ -1,31 +0,0 @@
1-- conversion to/from Data.Vector.Storable
2-- from Roman Leshchinskiy "vector" package
3--
4-- In the future Data.Packed.Vector will be replaced by Data.Vector.Storable
5
6-------------------------------------------
7
8import Numeric.LinearAlgebra as H
9import Data.Packed.Development(unsafeFromForeignPtr, unsafeToForeignPtr)
10import Foreign.Storable
11import qualified Data.Vector.Storable as V
12
13fromVector :: Storable t => V.Vector t -> H.Vector t
14fromVector v = unsafeFromForeignPtr p i n where
15 (p,i,n) = V.unsafeToForeignPtr v
16
17toVector :: Storable t => H.Vector t -> V.Vector t
18toVector v = V.unsafeFromForeignPtr p i n where
19 (p,i,n) = unsafeToForeignPtr v
20
21-------------------------------------------
22
23v = V.slice 5 10 (V.fromList [1 .. 10::Double] V.++ V.replicate 10 7)
24
25w = subVector 2 3 (linspace 5 (0,1)) :: Vector Double
26
27main = do
28 print v
29 print $ fromVector v
30 print w
31 print $ toVector w
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 08:44:01 +0000