I have MPIDense matrix, if i want to get the tranpose of the matrix, what should i do? Or i should use MPISparse instead?
On Tue, August 30, 2011 7:08 pm, Matthew Knepley wrote: > On Tue, Aug 30, 2011 at 10:59 PM, Likun Tan <likunt at andrew.cmu.edu> > wrote: > > >> >> Dear all, >> >> >> Can MatTranspose be used on non-squra matrix? I have a matrix with size >> 200*27, and i want to get the tranpose of it. >> >> > > I assume you are talking about dense matrices. If so, yes. > > > >> Second question is, if the 200*27 is partitioned by row, how is the >> tranpose stored in each processor? Is it stored by column? >> > > For MPIDENSE, you cannot in-place transpose unless it is square. > Otherwise, > you provide the transpose matrix, so you determine the layout. > > Matt > > > >> Thanks, >> Likun >> >> >> > > > -- > 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 > >
