dolfin team mailing list archive

[Shawn Walker <walker@xxxxxxxxxxxxxxx>]

Thanks.  I already got something working though.

- Shawn

On Tue, 23 Jun 2009, Garth N. Wells wrote:

> Shawn Walker wrote:
> > How do I get access to the elements of the sparse matrix that is assembled 
> > by the VariationalProblem class and the routine `solve'?  I need to compare 
> > the entries to a benchmark case.
>
> You can't get the matrix from VariationalProblem. To check the matrix, write 
> your own code to assemble the matrix (can be copied from inside 
> VariationalProblem and may only be one or two lines), or just add some lines 
> inside VariationalProblem.
>
> To ease comparison, use the uBLAS linear algebra background. You can access 
> terms elements-wise and add/subtract matrices easily.
>
> Garth
>
> > - Shawn
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