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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/Vec/VecSetSizes.html "><small>Report Typos and Errors</small></a></div>
<A NAME="VecSetSizes"><H1>VecSetSizes</H1></A>
Sets the local and global sizes, and checks to determine compatibility
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscvec.h"
PetscErrorCode VecSetSizes(Vec v, PetscInt n, PetscInt N)
</PRE>
Collective on <A HREF="../Vec/Vec.html#Vec">Vec</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>v </B></TD><TD>- the vector
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- the local size (or <A HREF="../Sys/PETSC_DECIDE.html#PETSC_DECIDE">PETSC_DECIDE</A> to have it set)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>N </B></TD><TD>- the global size (or <A HREF="../Sys/PETSC_DECIDE.html#PETSC_DECIDE">PETSC_DECIDE</A>)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
n and N cannot be both <A HREF="../Sys/PETSC_DECIDE.html#PETSC_DECIDE">PETSC_DECIDE</A>
If one processor calls this with N of <A HREF="../Sys/PETSC_DECIDE.html#PETSC_DECIDE">PETSC_DECIDE</A> then all processors must, otherwise the program will hang.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Vec/VecGetSize.html#VecGetSize">VecGetSize</A>(), <A HREF="../Sys/PetscSplitOwnership.html#PetscSplitOwnership">PetscSplitOwnership</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/vec/vec/interface/vector.c.html#VecSetSizes">src/vec/vec/interface/vector.c</A>
<BR><A HREF="./index.html">Index of all Vec routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/vec/vec/examples/tutorials/ex1.c.html">src/vec/vec/examples/tutorials/ex1.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex2.c.html">src/vec/vec/examples/tutorials/ex2.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex3.c.html">src/vec/vec/examples/tutorials/ex3.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex5.c.html">src/vec/vec/examples/tutorials/ex5.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex6.c.html">src/vec/vec/examples/tutorials/ex6.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex7.c.html">src/vec/vec/examples/tutorials/ex7.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex8.c.html">src/vec/vec/examples/tutorials/ex8.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex9.c.html">src/vec/vec/examples/tutorials/ex9.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex10.c.html">src/vec/vec/examples/tutorials/ex10.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex11.c.html">src/vec/vec/examples/tutorials/ex11.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex12.c.html">src/vec/vec/examples/tutorials/ex12.c.html</A><BR>
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