On Mon, Jul 23, 2012 at 9:18 PM, Nicholas Pezolano <npezolano at gmail.com>wrote:
> @Matt, > > thanks but this is just general matrix multiplication , not the dot > product multiplication's for a matrix > Please explain to me the difference. Matt > > @Jed Brown > > I am trying to draw random numbers from a complex multivariate mixture > distribution needed for a monte carlo simulation. X:= mu + Lambda.* W + > gamma.*sqrt(W) , where they are all NxN dense matrices of equal size where > N ranges from 100,000 to 2,000,000. I need to do the dot product > multiplication and addition for every part of this distribution. Would > petsc be the right tool for this or should i just stick to C and mpi. I've > already used many petsc functions that have made life much eaiser > -- 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120723/da27f212/attachment.html>
