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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
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<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><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/tao/bound/impls/gpcg/gpcg.c.html#TAOGPCG">src/tao/bound/impls/gpcg/gpcg.c</A>
<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>
<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>
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