[petsc-users] Reset the matrix

[Jed Brown]

Just call the appropriate preallocation routine. It can't very well be done
in-place because the data structure gets repacked in Assembly.


On Tue, Jan 22, 2013 at 6:54 PM, John Fettig <john.fettig at gmail.com> wrote:

> Is it possible to reset a matrix to the state it was in before any values
> were set?  I.e. removing all nonzero structure as well as values and
> returning it to just a pre-allocated state?
>
> Regards,
> John
>
>
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