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  <div class="navpath"><b>sc</b>::<a class="el" href="classsc_1_1NonlinearTransform.html">NonlinearTransform</a>
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<h1>sc::NonlinearTransform Class Reference</h1><!-- doxytag: class="sc::NonlinearTransform" --><!-- doxytag: inherits="sc::RefCount" -->The <a class="el" href="classsc_1_1NonlinearTransform.html" title="The NonlinearTransform class transforms between two nonlinear coordinate systems...">NonlinearTransform</a> class transforms between two nonlinear coordinate systems.  
<a href="#_details">More...</a>
<p>
<code>#include &lt;<a class="el" href="math_2optimize_2transform_8h_source.html">transform.h</a>&gt;</code>
<p>
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Inheritance diagram for sc::NonlinearTransform:</div>
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<p><center><img src="classsc_1_1NonlinearTransform.png" usemap="#sc::NonlinearTransform_map" border="0" alt=""></center>
<map name="sc::NonlinearTransform_map">
<area href="classsc_1_1RefCount.html" alt="sc::RefCount" shape="rect" coords="0,56,143,80">
<area href="classsc_1_1Identity.html" alt="sc::Identity" shape="rect" coords="0,0,143,24">
<area href="classsc_1_1IdentityTransform.html" alt="sc::IdentityTransform" shape="rect" coords="0,168,143,192">
</map>
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<p>
<a href="classsc_1_1NonlinearTransform-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="dbff86d91d761ef6f18e44e925acb0a0"></a><!-- doxytag: member="sc::NonlinearTransform::transform_coordinates" ref="dbff86d91d761ef6f18e44e925acb0a0" args="(const RefSCVector &amp;x)=0" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsc_1_1NonlinearTransform.html#dbff86d91d761ef6f18e44e925acb0a0">transform_coordinates</a> (const <a class="el" href="classsc_1_1RefSCVector.html">RefSCVector</a> &amp;x)=0</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Transform the coordinates. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsc_1_1NonlinearTransform.html#dd721a5a5c9ffe0fed12c7014bb680dd">transform_gradient</a> (const <a class="el" href="classsc_1_1RefSCVector.html">RefSCVector</a> &amp;g)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Transform the gradient at a point in the new coordinate system.  <a href="#dd721a5a5c9ffe0fed12c7014bb680dd"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsc_1_1NonlinearTransform.html#37d7a2f6a13bdab44856ca7575f1e9c2">transform_hessian</a> (const <a class="el" href="classsc_1_1RefSymmSCMatrix.html">RefSymmSCMatrix</a> &amp;h)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Transform the hessian to the new coordinate system.  <a href="#37d7a2f6a13bdab44856ca7575f1e9c2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsc_1_1NonlinearTransform.html#c65a7b0d6ac3d15056576759de1f458f">transform_ihessian</a> (const <a class="el" href="classsc_1_1RefSymmSCMatrix.html">RefSymmSCMatrix</a> &amp;ih)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Transform the inverse of the hessian.  <a href="#c65a7b0d6ac3d15056576759de1f458f"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d65ea1516cf98fddb1b2090290ee3ea3"></a><!-- doxytag: member="sc::NonlinearTransform::linear_transform_" ref="d65ea1516cf98fddb1b2090290ee3ea3" args="" -->
<a class="el" href="classsc_1_1RefSCMatrix.html">RefSCMatrix</a>&nbsp;</td><td class="memItemRight" valign="bottom"><b>linear_transform_</b></td></tr>

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<hr><a name="_details"></a><h2>Detailed Description</h2>
The <a class="el" href="classsc_1_1NonlinearTransform.html" title="The NonlinearTransform class transforms between two nonlinear coordinate systems...">NonlinearTransform</a> class transforms between two nonlinear coordinate systems. 
<p>
It is needed when a change of coordinates occurs in the middle of an optimization. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="dd721a5a5c9ffe0fed12c7014bb680dd"></a><!-- doxytag: member="sc::NonlinearTransform::transform_gradient" ref="dd721a5a5c9ffe0fed12c7014bb680dd" args="(const RefSCVector &amp;g)" -->
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          <td class="memname">virtual void sc::NonlinearTransform::transform_gradient           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classsc_1_1RefSCVector.html">RefSCVector</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>g</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [virtual]</code></td>
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<p>
Transform the gradient at a point in the new coordinate system. 
<p>
transform_coordinates must be called first to give the point. 
<p>Reimplemented in <a class="el" href="classsc_1_1IdentityTransform.html#0d87d288ea87f8e13a7522aeb1905768">sc::IdentityTransform</a>.</p>

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<a class="anchor" name="37d7a2f6a13bdab44856ca7575f1e9c2"></a><!-- doxytag: member="sc::NonlinearTransform::transform_hessian" ref="37d7a2f6a13bdab44856ca7575f1e9c2" args="(const RefSymmSCMatrix &amp;h)" -->
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          <td class="memname">virtual void sc::NonlinearTransform::transform_hessian           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classsc_1_1RefSymmSCMatrix.html">RefSymmSCMatrix</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>h</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [virtual]</code></td>
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<p>
Transform the hessian to the new coordinate system. 
<p>
transform_gradient must be called first to initialize this routine. 
<p>Reimplemented in <a class="el" href="classsc_1_1IdentityTransform.html#8399f6671b87379174e74d0da15b1339">sc::IdentityTransform</a>.</p>

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<a class="anchor" name="c65a7b0d6ac3d15056576759de1f458f"></a><!-- doxytag: member="sc::NonlinearTransform::transform_ihessian" ref="c65a7b0d6ac3d15056576759de1f458f" args="(const RefSymmSCMatrix &amp;ih)" -->
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          <td class="memname">virtual void sc::NonlinearTransform::transform_ihessian           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classsc_1_1RefSymmSCMatrix.html">RefSymmSCMatrix</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>ih</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [virtual]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>
Transform the inverse of the hessian. 
<p>
transform_gradient must be called first to initialize this routine. 
<p>Reimplemented in <a class="el" href="classsc_1_1IdentityTransform.html#63127c8d25eb91df497cda3e22a51bdb">sc::IdentityTransform</a>.</p>

</div>
</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="math_2optimize_2transform_8h_source.html">math/optimize/transform.h</a></ul>
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