[petsc-users] vector outer product

[Yifei Li]

Matt,

I'm new to PETSC, can you pls explain what you mean by 'keep it in
unassembled form'?

A small example would be nice too. Thanks

Yifei

On Thu, Aug 9, 2012 at 9:15 PM, Matthew Knepley <knepley at gmail.com> wrote:

> On Thu, Aug 9, 2012 at 5:39 PM, Yifei Li <yifli82 at gmail.com> wrote:
>
>> Hi,
>>
>> I did not find any function doing this in the manual.  Could someone
>> suggest a good way to do this?
>>
>
> That gives a dense matrix. You would never want to do this. You would keep
> it in unassembled form.
>
>     Matt
>
>
>>
>> Thanks
>>
>> Yifei
>>
>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
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