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<A NAME="MatPartitioningSetNParts"><H1>MatPartitioningSetNParts</H1></A>
Set how many partitions need to be created; by default this is one per processor. Certain partitioning schemes may in fact only support that option.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
int MatPartitioningSetNParts(MatPartitioning part,int n)
</PRE>
Not collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>partitioning </B> -the partitioning context
<br>
<DT><B>n </B> -the number of partitions
<br>
<P>
<P>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
Partitioning, set
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../MatOrderings/MatPartitioningCreate.html#MatPartitioningCreate">MatPartitioningCreate</A>(), <A HREF="../MatOrderings/MatPartitioningApply.html#MatPartitioningApply">MatPartitioningApply</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/partition/partition.c.html#MatPartitioningSetNParts">src/mat/partition/partition.c</A>
<BR><A HREF="./index.html">Index of all MatOrderings routines</A>
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