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
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Tao/TAOGPCG.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>TAOGPCG</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<div id="version" align=right><b>petsc-3.10.3 2018-12-18</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-3.10.3 v3.10.3 docs/manualpages/Tao/TAOGPCG.html "><small>Report Typos and Errors</small></a></div>
<A NAME="TAOGPCG"><H1>TAOGPCG</H1></A>
gradient projected conjugate gradient algorithm is an active-set conjugate-gradient based method for bound-constrained minimization
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-tao_gpcg_maxpgits </B></TD><TD>- maximum number of gradient projections for GPCG iterate
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-tao_subset_type </B></TD><TD>- "subvec","mask","matrix-free", strategies for handling active-sets
</TD></TR></TABLE>
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/tao/quadratic/impls/gpcg/gpcg.c.html#TAOGPCG">src/tao/quadratic/impls/gpcg/gpcg.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/tao/bound/examples/tutorials/jbearing2.c.html">src/tao/bound/examples/tutorials/jbearing2.c.html</A><BR>
<BR><A HREF="./index.html">Index of all Tao 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>
</BODY></HTML>
|
