[petsc-users] can i use MatCreatDense to creat a parallel matrix for KSP

[Matthew Knepley]

Did you call MatAssemblyBegin/End()?

   Matt

On Tue, Apr 19, 2016 at 5:51 AM, 丁老师 <ztdepyahoo at 163.com> wrote:

> Dear friends:
>      I am receiving error about " not for unassembled matrix"
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-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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