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<A NAME="DAFormFunctioni1"><H1>DAFormFunctioni1</H1></A>
Evaluates a user provided function
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscda.h"
int DAFormFunctioni1(DA da,int i,Vec vu,PetscScalar *vfu,void *w)
</PRE>
<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>da </B></TD><TD>- the <A HREF="../DA/DA.html#DA">DA</A> that defines the grid
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>i </B></TD><TD>- the component of the function we wish to compute (must be local)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>vu </B></TD><TD>- input vector
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>vfu </B></TD><TD>- output value
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>w </B></TD><TD>- any user data
</TD></TR></TABLE>
<P>
Notes: Does NOT do ghost updates on vu upon entry
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DA/DAComputeJacobian1WithAdic.html#DAComputeJacobian1WithAdic">DAComputeJacobian1WithAdic</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/da/src/da2.c.html#DAFormFunctioni1">src/dm/da/src/da2.c</A>
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