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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
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<TITLE>VecSetRandom</TITLE>
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<A NAME="VecSetRandom"><H1>VecSetRandom</H1></A>
Sets all components of a vector to random numbers.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscvec.h"
int VecSetRandom(PetscRandom rctx,Vec x)
</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>rctx </B></TD><TD>- the random number context, formed by <A HREF="../Sys/PetscRandomCreate.html#PetscRandomCreate">PetscRandomCreate</A>(), or <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A> and
it will create one internally.
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>x </B></TD><TD>- the vector
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>x </B> -the vector
<br>
<P>
<H3><FONT COLOR="#CC3333">Example of Usage</FONT></H3>
<PRE>
<A HREF="../Sys/PetscRandomCreate.html#PetscRandomCreate">PetscRandomCreate</A>(<A HREF="../Sys/PETSC_COMM_WORLD.html#PETSC_COMM_WORLD">PETSC_COMM_WORLD</A>,RANDOM_DEFAULT,&rctx);
<A HREF="../Vec/VecSetRandom.html#VecSetRandom">VecSetRandom</A>(rctx,x);
<A HREF="../Sys/PetscRandomDestroy.html#PetscRandomDestroy">PetscRandomDestroy</A>(rctx);
</PRE>
<P>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Vec/VecSet.html#VecSet">VecSet</A>(), <A HREF="../Vec/VecSetValues.html#VecSetValues">VecSetValues</A>(), <A HREF="../Sys/PetscRandomCreate.html#PetscRandomCreate">PetscRandomCreate</A>(), <A HREF="../Sys/PetscRandomDestroy.html#PetscRandomDestroy">PetscRandomDestroy</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/vec/interface/vector.c.html#VecSetRandom">src/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/ksp/examples/tutorials/ex2.c.html">src/ksp/examples/tutorials/ex2.c.html</A><BR>
<A HREF="../../../src/ksp/examples/tutorials/ex4.c.html">src/ksp/examples/tutorials/ex4.c.html</A><BR>
<A HREF="../../../src/ksp/examples/tutorials/ex11.c.html">src/ksp/examples/tutorials/ex11.c.html</A><BR>
<A HREF="../../../src/ksp/examples/tutorials/ex2f.F.html">src/ksp/examples/tutorials/ex2f.F.html</A><BR>
<A HREF="../../../src/ksp/examples/tutorials/ex11f.F.html">src/ksp/examples/tutorials/ex11f.F.html</A><BR>
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