1 files changed, 20 insertions, 0 deletions

diff --git a/examples/plot.hs b/examples/plot.hs
new file mode 100644
index 0000000..f950aa5
--- /dev/null
+++ b/examples/plot.hs
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+import Numeric.LinearAlgebra
+import Graphics.Plot
+import Numeric.GSL.Special(erf_Z, erf)
+
+sombrero n = f x y where 
+    (x,y) = meshdom range range
+    range = linspace n (-2,2)
+    f x y = exp (-r2) * cos (2*r2) where 
+        r2 = x*x+y*y
+
+f x =  sin x + 0.5 * sin (5*x)
+
+gaussianPDF = erf_Z
+cumdist x = 0.5 * (1+ erf (x/sqrt 2))
+
+main = do
+    let x = linspace 1000 (-4,4)
+    mplot [f x]
+    mplot [x, mapVector cumdist x, mapVector gaussianPDF x]
+    mesh (sombrero 40)
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