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Re: matrix free for linear solver
- To: petsc-users@xxxxxxxxxxx
- Subject: Re: matrix free for linear solver
- From: "Matthew Knepley" <knepley@xxxxxxxxx>
- Date: Mon, 3 Mar 2008 11:07:32 -0600
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On Mon, Mar 3, 2008 at 11:05 AM, li pan <li76pan@xxxxxxxxx> wrote:
> Dear all,
> If I want to solve a linear equation in matrix free
> scheme, how is the command line argument? I only know
> for nonlinear solver it is _snes_mf
What do you mean here? How do you have linear equations without
a matrix? If you mean that you would only like to specify the action
of the operator, you should use MATSHELL.
Matt
> thanx
>
> pan
>
>
>
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--
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which
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