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<hr><h1>sc::DFPUpdate Class Reference</h1>The <a class="el" href="class_sc__DFPUpdate.html">DFPUpdate</a> class is used to specify a Davidson, Fletcher, and Powell hessian update scheme.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="update_h-source.html">update.h</a>></code>
<p>
Inheritance diagram for sc::DFPUpdate<p><center><img src="class_sc__DFPUpdate_inherit_graph.gif" border="0" usemap="#sc::DFPUpdate_inherit_map" alt="Inheritance graph"></center>
<map name="sc::DFPUpdate_inherit_map">
<area href="class_sc__BFGSUpdate.html" shape="rect" coords="19,414,123,432">
<area href="class_sc__HessianUpdate.html" shape="rect" coords="15,280,127,299">
<area href="class_sc__SavableState.html" shape="rect" coords="21,214,122,232">
<area href="class_sc__DescribedClass.html" shape="rect" coords="14,147,129,166">
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for sc::DFPUpdate:<p><center><img src="class_sc__DFPUpdate_coll_graph.gif" border="0" usemap="#sc::DFPUpdate_coll_map" alt="Collaboration graph"></center>
<map name="sc::DFPUpdate_coll_map">
<area href="class_sc__HessianUpdate.html" shape="rect" coords="18,291,130,310">
<area href="class_sc__SavableState.html" shape="rect" coords="21,222,122,240">
<area href="class_sc__DescribedClass.html" shape="rect" coords="14,152,129,171">
<area href="class_sc__RefCount.html" shape="rect" coords="30,83,113,102">
<area href="class_sc__Identity.html" shape="rect" coords="35,14,107,32">
<area href="class_sc__RefSCVector.html" shape="rect" coords="154,291,258,310">
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_sc__DFPUpdate-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="a0" doxytag="sc::DFPUpdate::DFPUpdate"></a>
</td><td valign=bottom><b>DFPUpdate</b> ()</td></tr>
<tr><td nowrap align=right valign=top><a name="a1" doxytag="sc::DFPUpdate::DFPUpdate"></a>
</td><td valign=bottom><b>DFPUpdate</b> (<a class="el" href="class_sc__StateIn.html">StateIn</a> &)</td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_sc__DFPUpdate.html#a2">DFPUpdate</a> (const <a class="el" href="class_sc__Ref.html">Ref</a>< <a class="el" href="class_sc__KeyVal.html">KeyVal</a> > &)</td></tr>
<tr><td> </td><td><font size=-1><em>The <a class="el" href="class_sc__KeyVal.html">KeyVal</a> constructor reads the following keywords:.</em> <a href="#a2">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="class_sc__DFPUpdate.html#a3">save_data_state</a> (<a class="el" href="class_sc__StateOut.html">StateOut</a> &)</td></tr>
<tr><td> </td><td><font size=-1><em>Save the base classes (with save_data_state) and the members in the same order that the <a class="el" href="class_sc__StateIn.html">StateIn</a> CTOR initializes them.</em> <a href="#a3">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a4" doxytag="sc::DFPUpdate::~DFPUpdate"></a>
</td><td valign=bottom><b>~DFPUpdate</b> ()</td></tr>
<tr><td nowrap align=right valign=top><a name="a5" doxytag="sc::DFPUpdate::update"></a>
void </td><td valign=bottom><b>update</b> (const <a class="el" href="class_sc__RefSymmSCMatrix.html">RefSymmSCMatrix</a> &ihessian, const <a class="el" href="class_sc__Ref.html">Ref</a>< <a class="el" href="class_sc__Function.html">Function</a> > &, const <a class="el" href="class_sc__RefSCVector.html">RefSCVector</a> &xnew, const <a class="el" href="class_sc__RefSCVector.html">RefSCVector</a> &gnew)</td></tr>
<tr><td nowrap align=right valign=top><a name="a6" doxytag="sc::DFPUpdate::apply_transform"></a>
void </td><td valign=bottom><b>apply_transform</b> (const <a class="el" href="class_sc__Ref.html">Ref</a>< <a class="el" href="class_sc__NonlinearTransform.html">NonlinearTransform</a> > &)</td></tr>
<tr><td nowrap align=right valign=top><a name="a7" doxytag="sc::DFPUpdate::set_inverse"></a>
void </td><td valign=bottom><b>set_inverse</b> ()</td></tr>
<tr><td colspan=2><br><h2>Protected Attributes</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="n0" doxytag="sc::DFPUpdate::xprev"></a>
<a class="el" href="class_sc__RefSCVector.html">RefSCVector</a> </td><td valign=bottom><b>xprev</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n1" doxytag="sc::DFPUpdate::gprev"></a>
<a class="el" href="class_sc__RefSCVector.html">RefSCVector</a> </td><td valign=bottom><b>gprev</b></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
The <a class="el" href="class_sc__DFPUpdate.html">DFPUpdate</a> class is used to specify a Davidson, Fletcher, and Powell hessian update scheme.
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a name="a2" doxytag="sc::DFPUpdate::DFPUpdate"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
sc::DFPUpdate::DFPUpdate (
</b></td>
<td valign="bottom"><b>
const <a class="el" href="class_sc__Ref.html">Ref</a>< <a class="el" href="class_sc__KeyVal.html">KeyVal</a> > & )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
The <a class="el" href="class_sc__KeyVal.html">KeyVal</a> constructor reads the following keywords:.
<p>
<dl compact>
<p>
<dt><code>xprev</code><dd> The previous coordinates can be given (but is not recommended). The default is none.
<p>
<dt><code>gprev</code><dd> The previous gradient can be given (but is not recommended). The default is none.
<p>
</dl>
</td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a name="a3" doxytag="sc::DFPUpdate::save_data_state"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
void sc::DFPUpdate::save_data_state (
</b></td>
<td valign="bottom"><b>
<a class="el" href="class_sc__StateOut.html">StateOut</a> & <em>s</em> )<code> [virtual]</code>
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Save the base classes (with save_data_state) and the members in the same order that the <a class="el" href="class_sc__StateIn.html">StateIn</a> CTOR initializes them.
<p>
This must be implemented by the derived class if the class has data.
<p>
Reimplemented from <a class="el" href="class_sc__HessianUpdate.html#a3">sc::HessianUpdate</a>.
<p>
Reimplemented in <a class="el" href="class_sc__BFGSUpdate.html#a3">sc::BFGSUpdate</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="update_h-source.html">update.h</a></ul>
<hr>
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