Merge pull request #273 from idontgetoutmuch/feature/add-printing-example

Add the example fixing printing

2 files changed, 51 insertions, 0 deletions

diff --git a/examples/VectorShow.hs b/examples/VectorShow.hs
new file mode 100644
index 0000000..c56d772
--- /dev/null
+++ b/examples/VectorShow.hs
@@ -0,0 +1,43 @@
+{-# LANGUAGE DataKinds #-}
+
+module Main
+    ( main
+    ) where
+
+import Numeric.LinearAlgebra.Static
+import qualified Numeric.LinearAlgebra as LA
+import qualified Numeric.GSL.Minimization as Min
+
+u :: R 4
+u = vec4 10 20 30 40
+
+v :: R 5
+v = vec2 5 0 & 0 & 3 & 7
+
+b :: L 4 3
+b = matrix
+    [ 2, 0,-1
+    , 1, 1, 7
+    , 5, 3, 1
+    , 2, 8, 0 ] :: L 4 3
+
+w :: R 10
+w = vector [1..10] :: R 10
+
+f :: [Double] -> Double
+f [x,y] = 10*(x-1)^(2::Int) + 20*(y-2)^(2::Int) + 30
+f _     = error "f only defined for exactly 2 elements"
+
+main :: IO ()
+main = do
+    print u
+    print v
+    print b
+    print w
+    print $ diag u
+    print (eye + 2 :: Sq 4)
+    print $ LA.diag (LA.fromList [1,2,3 :: Double])
+    --
+    let (s,p) = Min.minimize Min.NMSimplex2 1E-2 30 [1,1] f [5,7]
+    print s
+    print p
diff --git a/examples/examples.cabal b/examples/examples.cabal
index 07ec571..286b2db 100644
--- a/examples/examples.cabal
+++ b/examples/examples.cabal
@@ -27,3 +27,11 @@ executable butcherTableau
                        hmatrix-sundials,
                        pretty
   default-language:    Haskell2010
+
+executable vectorShow
+  main-is:             VectorShow.hs
+  build-depends:       base >=4.10 && <4.11,
+                       hmatrix,
+                       hmatrix-gsl
+  default-language:    Haskell2010
+