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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
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<TITLE>VecCreate</TITLE>
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<A NAME="VecCreate"><H1>VecCreate</H1></A>
Creates an empty vector object. The type can then be set with <A HREF="../Vec/VecSetType.html#VecSetType">VecSetType</A>(), or <A HREF="../Vec/VecSetFromOptions.html#VecSetFromOptions">VecSetFromOptions</A>().
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscvec.h"
int VecCreate(MPI_Comm comm, Vec *vec)
</PRE>
If you never call <A HREF="../Vec/VecSetType.html#VecSetType">VecSetType</A>() or <A HREF="../Vec/VecSetFromOptions.html#VecSetFromOptions">VecSetFromOptions</A>() it will generate an
error when you try to use the vector.
<P>
Collective on MPI_Comm
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B><A HREF="../Sys/comm.html#comm">comm</A> </B> -The communicator for the vector object
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>vec </B> -The vector object
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
vector, create
<BR>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Vec/VecSetType.html#VecSetType">VecSetType</A>(), <A HREF="../Vec/VecSetSizes.html#VecSetSizes">VecSetSizes</A>(), <A HREF="../Vec/VecCreateMPIWithArray.html#VecCreateMPIWithArray">VecCreateMPIWithArray</A>(), <A HREF="../Vec/VecCreateMPI.html#VecCreateMPI">VecCreateMPI</A>(), <A HREF="../Vec/VecDuplicate.html#VecDuplicate">VecDuplicate</A>(),
<BR><A HREF="../Vec/VecDuplicateVecs.html#VecDuplicateVecs">VecDuplicateVecs</A>(), <A HREF="../Vec/VecCreateGhost.html#VecCreateGhost">VecCreateGhost</A>(), <A HREF="../Vec/VecCreateSeq.html#VecCreateSeq">VecCreateSeq</A>(), <A HREF="../Vec/VecPlaceArray.html#VecPlaceArray">VecPlaceArray</A>()
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/vec/interface/veccreate.c.html#VecCreate">src/vec/interface/veccreate.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/examples/tutorials/ex1.c.html">src/vec/examples/tutorials/ex1.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex1e.c.html">src/vec/examples/tutorials/ex1e.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex2.c.html">src/vec/examples/tutorials/ex2.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex3.c.html">src/vec/examples/tutorials/ex3.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex5.c.html">src/vec/examples/tutorials/ex5.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex6.c.html">src/vec/examples/tutorials/ex6.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex7.c.html">src/vec/examples/tutorials/ex7.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex8.c.html">src/vec/examples/tutorials/ex8.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex10.c.html">src/vec/examples/tutorials/ex10.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex11.c.html">src/vec/examples/tutorials/ex11.c.html</A><BR>
<A HREF="../../../src/vec/examples/tutorials/ex12.c.html">src/vec/examples/tutorials/ex12.c.html</A><BR>
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