[petsc-dev] Extending MatLRC

[Jed Brown]

Barry Smith <bsmith at mcs.anl.gov> writes:

>    Go ahead and extend it.

Presumably to A + X C Y'.

>> On Nov 14, 2016, at 6:14 AM, Jose E. Roman <jroman at dsic.upv.es> wrote:
>> 
>> Hi.
>> 
>> I need to work with low-rank matrices represented as the outer product of tall-skinny matrices. Specifically, I need to cover these cases:
>> - Symmetric positive-definite: X*X'
>> - Symmetric indefinite: X*C*X'
>> - Non-symmetric: X*Y' (or maybe X*C*Y')
>> 
>> This could be added by extending MATLRC (allowing A to be NULL). If you agree I could create a pull request. If you prefer to keep MATLRC as it is now, I could add this to SLEPc.
>> 
>> Jose
>> 
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