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<TITLE>MatMerge_SeqsToMPI</TITLE>
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<A NAME="MatMerge_SeqsToMPI"><H1>MatMerge_SeqsToMPI</H1></A>
Creates a MPIAIJ matrix by adding sequential matrices from each processor
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
PetscErrorCode MatMerge_SeqsToMPINumeric(Mat seqmat,Mat mpimat)
</PRE>
Collective on <A HREF="../Sys/MPI_Comm.html#MPI_Comm">MPI_Comm</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>comm </B></TD><TD>- the communicators the parallel matrix will live on
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>seqmat </B></TD><TD>- the input sequential matrices
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>m </B></TD><TD>- number of local rows (or <A HREF="../Sys/PETSC_DECIDE.html#PETSC_DECIDE">PETSC_DECIDE</A>)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- number of local columns (or <A HREF="../Sys/PETSC_DECIDE.html#PETSC_DECIDE">PETSC_DECIDE</A>)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>scall </B></TD><TD>- either MAT_INITIAL_MATRIX or MAT_REUSE_MATRIX
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>mpimat </B> -the parallel matrix generated
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
The dimensions of the sequential matrix in each processor MUST be the same.
The input seqmat is included into the container "Mat_Merge_SeqsToMPI", and will be
destroyed when mpimat is destroyed. Call <A HREF="../Sys/PetscObjectQuery.html#PetscObjectQuery">PetscObjectQuery</A>() to access seqmat.
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/impls/aij/mpi/mpiaij.c.html#MatMerge_SeqsToMPI">src/mat/impls/aij/mpi/mpiaij.c</A>
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