From: Michael Orlitzky <michael@orlitzky.com>
Date: Tue, 26 Mar 2013 00:54:09 +0000 (-0400)
Subject: Fix p/g mixup that I just put back.
X-Git-Url: http://gitweb.michael.orlitzky.com/?p=octave.git;a=commitdiff_plain;h=c3e7feb9a20fe34085814a2d32a9878e0b069ec6

Fix p/g mixup that I just put back.
---

diff --git a/optimization/step_length_positive_definite.m b/optimization/step_length_positive_definite.m
index b9fe48e..255efba 100644
--- a/optimization/step_length_positive_definite.m
+++ b/optimization/step_length_positive_definite.m
@@ -41,5 +41,5 @@ function alpha = step_length_positive_definite(g, Q, p)
     denom = eps;
   end
 
-  alpha = (g' * g)/denom;
+  alpha = -(g' * p)/denom;
 end