deleted and moved .py files

exp/histogram.py

@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Tue Apr 22 10:43:38 2014
+
+@author: rlabbe
+"""
+
+p = [.2, .2, .2, .2, .2]
+world = ['green', 'red', 'red', 'green', 'green']
+measurements = ['red', 'green']
+
+pHit = 0.6
+pMiss = 0.2
+
+pOvershoot = 0.1
+pUndershoot = 0.1
+pExact = 0.8
+
+def normalize (p):
+    s = sum(p)
+    for i in range (len(p)):
+        p[i] = p[i] / s
+
+def sense(p, Z):
+    q= []
+    for i in range (len(p)):
+        hit = (world[i] ==Z)
+        q.append(p[i] * (pHit*hit + pMiss*(1-hit)))
+    normalize(q)
+    return q
+
+
+def move(p, U):
+    q = []
+    for i in range(len(p)):
+        pexact = p[(i-U) % len(p)] * pExact
+        pover  =  p[(i-U-1) % len(p)] * pOvershoot
+        punder =  p[(i-U+1) % len(p)] * pUndershoot
+        q.append (pexact + pover + punder)
+
+    normalize(q)
+    return q
+
+if __name__ == "__main__":
+
+    p = sense(p, 'red')
+    print p
+    pause()
+    for z in measurements:
+        p = sense (p, z)
+        p = move (p, 1)
+        print p
+
+
+
+
+