On Tue, Aug 28, 2012 at 10:56 AM, shu guo <greatgs2008 at gmail.com> wrote:
> Hi All, > > I think I made a mistake. It seems it crashes when I call the command > of MatGetSubMatrices. There is an indication that saying, > > MatGetSubmatrices() is slightly different from C since the > Fortran provides the array to hold the submatrix objects,while in C > that > array is allocated by the MatGetSubmatrices() > > What does this mean? I don't even need this command to extract the > submatrix? > It means that you have to allocate the array to hold the result. If this seems cumbersome to you, ask yourself why you chose to write in Fortran. ;-) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120828/bcfdac7d/attachment.html>
