dolfin team mailing list archive

["Garth N. Wells" <g.n.wells@xxxxxxxxxx>]

Anders Logg wrote:
> I'm comparing the entries in the Stokes systems between the new code
> and the old and there seem to be quite a few more zeros in the sparse
> matrix than before.

Strange. Have you counted the non-zeroes, or are you displaying the matrix?

Garth

> Could this have anything to do with the initialization of uBlas
> matrices with a sparsity pattern and not using the temporary storage
> as before? Did we have a check that removed zeros?
>
> I haven't tried with PETSc.
>
> /Anders
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