User-difined PC

Michel Cancelliere fernandez858 at
Mon Sep 22 05:31:04 CDT 2008


I have problems with the implementation of a user-defined pc, basically my
program is in a cycle, for with which he is called by matlab each time it
seeks to solve a linear system, the problem is that in the first iteration
of the for-cycle  the preconditioner works very well, then fails to
convergence. It may be some parameters that I setting wrong?
I'am attaching my program code.

Thank you,

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