KSP quick question

Matthew Knepley knepley at gmail.com
Thu Sep 10 13:32:47 CDT 2009

2009/9/10 tsjb00 <tsjb00 at hotmail.com>

>  Hi! I have a quick question about KSP solvers. I will use the KSP solver
> to solve a time varying problem. My question is: do I need to call the
> following functions once in initialization, or do I need to call them in the
> time loop (solving equations in each time step)?
> The functions I am not sure about include:
> KSPSetOperators

 ^^^^^ This is the only one to call in the loop.


> PCSetType
> KSPSetType
> KSPSetFromOptions
> Many thanks!
> ------------------------------
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-- Norbert Wiener
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