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fix & improve preconditioning strategy in cgs & bicgstab
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 28 May 2009 07:37:13 +0200
parents 2b35cb600d50
children 40fb718a2e67
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+2009-05-28  Jaroslav Hajek  <highegg@gmail.com>
+
+	* sparse/bicgstab.m: Improve preconditioning; avoid explicit inverse.
+	* sparse/cgs.m: Improve preconditioning; avoid explicit inverse.
+
 2009-05-28  Radek Salac  <salac.r@gmail.com>
 
 	* sparse/bicgstab.m: New output when calling without arguments.