They're dense. I'm trying to use a SLEPc generalized eigenvalue example that expects matrices stored in PETSc binary files.
---John On Wed, Jul 13, 2011 at 1:02 AM, Barry Smith <bsmith at mcs.anl.gov> wrote: > > If it is truly a dense matrix then it isn't clear that you want to store > it as a PETSc binary matrix but you can using the following code > > PetscInt n; > PetscScalar *values; > > allocate values the correct size; read the entries into values then call > MatCreateSeqDense(PETSC_COMM_SELF,n,n,values,&A); the call > MatView(A,PETSC_VIEWER_BINARY_(PETSC_COMM_WORLD)); > > Barry > > On Jul 12, 2011, at 11:41 PM, John Chludzinski wrote: > > > I have a matrix stored as a sequential list of binary values (not PETSc > binary form) that I read in with a single block read: > > > > read( (void *)K, sizeof(double), SIZE*SIZE, fpK ). > > > > How do I convert this simple binary file of (sequentially stored) doubles > into a "PETSc binary matrix file"? > > > > ---John > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110713/2cedc279/attachment.htm>