> On Oct 15, 2015, at 8:40 AM, Matthew Knepley <[email protected]> wrote: > > On Thu, Oct 15, 2015 at 8:20 AM, Bikash Kanungo <[email protected]> wrote: > HI, > > I'm trying to evaluate B = P^T * A * P, where P is an MPIDENSE matrix and A > is an MPIAIJ matrix. Neither MatTransposeMatMult nor MatPtAP support such an > operation for the given type of matrices. I tried to look into MATELEMENTAL > class and didn't find any MatTransposeMatMult function for a pair of > Elemental matrices. > > What would be a possible and efficient way to perform such the above > operation?
Hong will see about providing the missing piece. What are you sizes of the matrix P? Presumably it has many rows but few columns? Barry > > Jed, is TAIJ the way to do this? > > Matt > > Thanks, > Bikash > > -- > Bikash S. Kanungo > PhD Student > Computational Materials Physics Group > Mechanical Engineering > University of Michigan > > > > > -- > 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
