Matthew Knepley <[email protected]> writes: > I do not understand "unrelated". My understanding was that TAIJ could be > used (with T = I) > to get the action of A on a set of vectors, which I think would be A P. Why > specifically would > you not use it?
MAIJ is enough for that; it would involve packing P into a Vec, but Bikash might as well use MatMatMult to perform the same operation in a more direct way (MatMatMult_MPIAIJ_MPIDense exists). The problem is that MatTransposeMatMult_MPIDense_MPIDense needs to be implemented.
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