From: Michael Orlitzky <michael@orlitzky.com>
Date: Sat, 23 Mar 2013 02:30:26 +0000 (-0400)
Subject: Avoid divide-by-zero in preconditioned_conjugate_gradient_method().
X-Git-Url: http://gitweb.michael.orlitzky.com/?p=octave.git;a=commitdiff_plain;h=4c5f15b69f6795a22c662a9e22ddd649c65872cb;hp=4c5f15b69f6795a22c662a9e22ddd649c65872cb;ds=sidebyside

Avoid divide-by-zero in preconditioned_conjugate_gradient_method().
Use the infinity norm (instead of the 2-norm) in the PCGM.
Simplify the stopping conditions in the PCGM.
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