Haha common.

Author: skytreader

python/stochastic/common.py

@@ -0,0 +1,13 @@
+#! /usr/bin/env python3
+
+import math
+
+"""
+Not in the original code listing. This factors out the common functions
+used in Chapter 2.
+"""
+
+def euc_2d(p1, p2):
+	dx = p1[0] - p2[0]
+	dy = p1[1] - p2[1]
+	return math.sqrt((dx ** 2) + (dy ** 2))