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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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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"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Mat/MatNestSetSubMats.html#MatNestSetSubMats">MatNestSetSubMats</A>(<A HREF="../Mat/Mat.html#Mat">Mat</A> A,<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> nr,const <A HREF="../IS/IS.html#IS">IS</A> is_row[],<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> nc,const <A HREF="../IS/IS.html#IS">IS</A> is_col[],const <A HREF="../Mat/Mat.html#Mat">Mat</A> 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>A </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 NULL 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 NULL 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 NULL
</TD></TR></TABLE>
<P>
Notes: this always resets any submatrix information previously set
<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>, <A HREF="../Mat/MatNestSetSubMat.html#MatNestSetSubMat">MatNestSetSubMat</A>(), <A HREF="../Mat/MatNestGetSubMat.html#MatNestGetSubMat">MatNestGetSubMat</A>(), <A HREF="../Mat/MatNestGetSubMats.html#MatNestGetSubMats">MatNestGetSubMats</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/mat/impls/nest/matnest.c.html#MatNestSetSubMats">src/mat/impls/nest/matnest.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/mat/impls/nest/matnest.c.html#MatNestSetSubMats_Nest">MatNestSetSubMats_Nest in src/mat/impls/nest/matnest.c</A><BR>
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