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<TITLE>MatNestSetSubMats</TITLE>
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<A NAME="MatNestSetSubMats"><H1>MatNestSetSubMats</H1></A>
Sets the nested submatrices
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
PetscErrorCode MatNestSetSubMats(Mat A,PetscInt nr,const IS is_row[],PetscInt nc,const IS is_col[],const Mat a[])
</PRE>
Collective on <A HREF="../Mat/Mat.html#Mat">Mat</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>N </B></TD><TD>- nested matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nr </B></TD><TD>- number of nested row blocks
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>is_row </B></TD><TD>- index sets for each nested row block, or <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A> to make contiguous
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nc </B></TD><TD>- number of nested column blocks
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>is_col </B></TD><TD>- index sets for each nested column block, or <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A> to make contiguous
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>a </B></TD><TD>- row-aligned array of nr*nc submatrices, empty submatrices can be passed using <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Mat/MatCreateNest.html#MatCreateNest">MatCreateNest</A>(), <A HREF="../Mat/MATNEST.html#MATNEST">MATNEST</A>
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/impls/nest/matnest.c.html#MatNestSetSubMats">src/mat/impls/nest/matnest.c</A>
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