On Thu, Jul 14, 2011 at 13:18, Xuefei (Rebecca) Yuan <xyuan at lbl.gov> wrote:
> I would like to store this sparse MXN matrix A in the following form: > .................................................... > > line1: M N numberofnonzeros > line2: i j value > line3: i j value > This "COO" format is not an efficient representation. Why do you want to store it this way? (You can produce this by getting the AIJ structure, allocating a new array for the row indices, and filling it redundantly from the AIJ structure. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110714/d2446fff/attachment.htm>
