From: Michael Orlitzky <michael@orlitzky.com>
Date: Fri, 18 Jun 2010 05:44:02 +0000 (-0400)
Subject: Added the objective_function_value() method to the SimplexIteration class.
X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Fcensus-tools.git;a=commitdiff_plain;h=3235d38d8e7975724fe06b4a68b1604559eedee2

Added the objective_function_value() method to the SimplexIteration class.
---

diff --git a/src/LinearProgramming.py b/src/LinearProgramming.py
index ceb2e5f..2e8477d 100644
--- a/src/LinearProgramming.py
+++ b/src/LinearProgramming.py
@@ -461,6 +461,13 @@ class SimplexIteration(object):
         bm = delete(bm, idxs, axis=1)
         return bm.tolist()
 
+
+    def objective_function_value(self):
+        c = array(self.objective_coefficients)
+        sv = array(self.solution_vector)
+        return dot(sv, c)
+
+
     def reduced_cost(self, idx):
         # Find the reduced cost ofthe variable whose column has index
         # idx.