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<DIV><FONT face="Bookman Old Style">Hi,</FONT></DIV>
<DIV><FONT face="Bookman Old Style">I am confused with this two
routines.</FONT></DIV>
<DIV><FONT face="Bookman Old Style"></FONT> </DIV>
<DIV><FONT face="Bookman Old Style">MatCreateMPIAIJ(PETSC_COMM_WORLD,...)
creates a parallel matrix,which will be distributed on all the processors.
MatCreateSeqAIJ(<A
href="file:///D:/MyVC/petsc-2.3.2-p3/docs/manualpages/Sys/PETSC_COMM_SELF.html#PETSC_COMM_SELF">PETSC_COMM_SELF</A>,
...) creates a sequential matrix. But because this routine will be called by
each processor, which processor create this matrix?</FONT></DIV>
<DIV><FONT face="Bookman Old Style"></FONT> </DIV>
<DIV><FONT face="Bookman Old Style">Best,</FONT></DIV>
<DIV><FONT face="Bookman Old Style"></FONT> </DIV>
<DIV><FONT face="Bookman Old Style">Yixun</FONT></DIV></BODY></HTML>