[petsc-users] Could you please give me some advice for the following error

丁老师 ztdepyahoo at 163.com
Wed Sep 4 10:23:26 CDT 2013

yes, i am computing convection diffusion problem with a  triangle unstructured grid. the matrix coefficients is unsymemetric.
but is it a necessary for the parmetis to do the work?

在 2013-09-04 23:20:47,"Mark F. Adams" <mfadams at lbl.gov> 写道:
My guess is that your matrix is structurally unsymmetric.

On Sep 4, 2013, at 11:16 AM, 丁老师 <ztdepyahoo at 163.com> wrote:

 1] ***ASSERTION failed on line 243 of file /home/ztdep/Downloads/petsc-3.3-p6/externalpackages/parmetis-4.0.2-p3/libparmetis/match.c:k >= firstvtx && k < lastvtx
[ 1] 2562 5124 10 0 0
main: /home/ztdep/Downloads/petsc-3.3-p6/externalpackages/parmetis-4.0.2-p3/libparmetis/match.c:243: libparmetis__Match_Global: Assertion `k >= firstvtx && k < lastvtx' failed.

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