Actually I think I was wrong where it was occurring (I have several MatMatMults). The MatMatMult for sparse-dense seems to be working! The problem seems to be with dense-dense? I made sure of this by printing out the Matrix Type before calling the multiplication. Is dense-dense not supported?
Thanks, James ----- Original Message ----- From: "Jed Brown" <[email protected]> To: "James A Charles" <[email protected]>, "Matthew Knepley" <[email protected]> Cc: [email protected] Sent: Friday, October 18, 2013 1:42:04 PM Subject: Re: [petsc-users] Dense Matrix setting local rows / local columns Question James A Charles <[email protected]> writes: > Thank you all for the responses. I was able to figure out the issue > with the dense matrix. I had another question related to dense > matrices. Does there exist support for multiplication of a sparse A > and dense B matrix matrix multiplication in parallel? I'm using Petsc > Release Version 3.4.2 and I am getting an error "No support for this > operation for this object type! MatMatMult not supported for B of type > mpidense" It should be supported. Please send the entire error message. (Always send the entire error message.)
