1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD>
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>SNESSetComputeInitialGuess</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<A NAME="SNESSetComputeInitialGuess"><H1>SNESSetComputeInitialGuess</H1></A>
Sets a routine used to compute an initial guess for the problem
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsnes.h"
PetscErrorCode SNESSetComputeInitialGuess(SNES snes,PetscErrorCode (*func)(SNES,Vec,void*),void *ctx)
</PRE>
Logically Collective on <A HREF="../SNES/SNES.html#SNES">SNES</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>snes </B></TD><TD>- the <A HREF="../SNES/SNES.html#SNES">SNES</A> context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>func </B></TD><TD>- function evaluation routine
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- [optional] user-defined context for private data for the
function evaluation routine (may be <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Calling sequence of func</FONT></H3>
<pre>
func (<A HREF="../SNES/SNES.html#SNES">SNES</A> snes,<A HREF="../Vec/Vec.html#Vec">Vec</A> x,void *ctx);
</pre>
<P>
<DT><B>f </B> -function vector
<br>
<DT><B>ctx </B> -optional user-defined function context
<br>
</TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
<A HREF="../SNES/SNES.html#SNES">SNES</A>, nonlinear, set, function
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../SNES/SNESGetFunction.html#SNESGetFunction">SNESGetFunction</A>(), <A HREF="../SNES/SNESComputeFunction.html#SNESComputeFunction">SNESComputeFunction</A>(), <A HREF="../SNES/SNESSetJacobian.html#SNESSetJacobian">SNESSetJacobian</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/snes/interface/snes.c.html#SNESSetComputeInitialGuess">src/snes/interface/snes.c</A>
<BR><A HREF="./index.html">Index of all SNES 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/snes/examples/tutorials/ex58.c.html">src/snes/examples/tutorials/ex58.c.html</A><BR>
</BODY></HTML>
|
