<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>DSDP: src/sdp/sdpcompute.c File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.4 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">DSDP</div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_23046874d7fed141927c769a66d8e3a5.html">src</a> </li> <li class="navelem"><a class="el" href="dir_2c21778722bc8593635d5ebd154ac3f7.html">sdp</a> </li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">sdpcompute.c File Reference</div> </div> </div> <div class="contents"> <p>Compute the gradient vector and Hessian matrix. Also compute X matrices. <a href="#details">More...</a></p> <p><a href="sdpcompute_8c_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="func-members"></a> Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="sdpcompute_8c.html#a342d54641970a32dc4abd9c7b3d674a8">SDPConeComputeHessian</a> (<a class="el" href="structSDPCone__C.html">SDPCone</a> sdpcone, double mu, <a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> M, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> vrhs1, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> vrhs2)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute the Hessian to the barrier term. <a href="#a342d54641970a32dc4abd9c7b3d674a8"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="sdpcompute_8c.html#ab98023107755ae6eaab00701bc237cef">SDPConeComputeRHS</a> (<a class="el" href="structSDPCone__C.html">SDPCone</a> sdpcone, int blockj, double mu, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> vrow, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> vrhs1, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> vrhs2)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute the gradient to the barrier term. <a href="#ab98023107755ae6eaab00701bc237cef"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="sdpcompute_8c.html#a75f84e7c513f300729984f191d47549f">SDPConeComputeXX</a> (<a class="el" href="structSDPCone__C.html">SDPCone</a> sdpcone, int blockj, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> DY, double mu, <a class="el" href="structDSDPDualMat__C.html">DSDPDualMat</a> S, <a class="el" href="structDSDPVMat__C.html">DSDPVMat</a> X)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute X. <a href="#a75f84e7c513f300729984f191d47549f"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="sdpcompute_8c.html#aa8720bd15d7c1c4fd43a4039f26b74c4">SDPConeMultiply</a> (<a class="el" href="structSDPCone__C.html">SDPCone</a> sdpcone, int blockj, double mu, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> vrow, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> vin, <a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> vout)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute the gradient to the barrier term. <a href="#aa8720bd15d7c1c4fd43a4039f26b74c4"></a><br/></td></tr> </table> <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><p>Compute the gradient vector and Hessian matrix. Also compute X matrices. </p> <p>Definition in file <a class="el" href="sdpcompute_8c_source.html">sdpcompute.c</a>.</p> </div><hr/><h2>Function Documentation</h2> <a class="anchor" id="a342d54641970a32dc4abd9c7b3d674a8"></a><!-- doxytag: member="sdpcompute.c::SDPConeComputeHessian" ref="a342d54641970a32dc4abd9c7b3d674a8" args="(SDPCone sdpcone, double mu, DSDPSchurMat M, DSDPVec vrhs1, DSDPVec vrhs2)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int SDPConeComputeHessian </td> <td>(</td> <td class="paramtype"><a class="el" href="structSDPCone__C.html">SDPCone</a> </td> <td class="paramname"><em>sdpcone</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>mu</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="structDSDPSchurMat__C.html">DSDPSchurMat</a> </td> <td class="paramname"><em>M</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>vrhs1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>vrhs2</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Compute the Hessian to the barrier term. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">sdpcone</td><td>cone </td></tr> <tr><td class="paramname">mu</td><td>barrier parameter </td></tr> <tr><td class="paramname">M</td><td>Schur matrix to insert elements. </td></tr> <tr><td class="paramname">vrhs1</td><td>dual objectvive gradient. </td></tr> <tr><td class="paramname">vrhs2</td><td>barrier gradient </td></tr> </table> </dd> </dl> <p>Definition at line <a class="el" href="sdpcompute_8c_source.html#l00030">30</a> of file <a class="el" href="sdpcompute_8c_source.html">sdpcompute.c</a>.</p> </div> </div> <a class="anchor" id="ab98023107755ae6eaab00701bc237cef"></a><!-- doxytag: member="sdpcompute.c::SDPConeComputeRHS" ref="ab98023107755ae6eaab00701bc237cef" args="(SDPCone sdpcone, int blockj, double mu, DSDPVec vrow, DSDPVec vrhs1, DSDPVec vrhs2)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int SDPConeComputeRHS </td> <td>(</td> <td class="paramtype"><a class="el" href="structSDPCone__C.html">SDPCone</a> </td> <td class="paramname"><em>sdpcone</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>blockj</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>mu</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>vrow</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>vrhs1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>vrhs2</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Compute the gradient to the barrier term. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">sdpcone</td><td>semidefinite cone </td></tr> <tr><td class="paramname">blockj</td><td>block of the cone. </td></tr> <tr><td class="paramname">mu</td><td>barrier parameter </td></tr> <tr><td class="paramname">vrow</td><td>scalar to multiply each element of gradient. </td></tr> <tr><td class="paramname">vrhs1</td><td>dual objectvive gradient. </td></tr> <tr><td class="paramname">vrhs2</td><td>barrier gradient </td></tr> </table> </dd> </dl> <p>Definition at line <a class="el" href="sdpcompute_8c_source.html#l00125">125</a> of file <a class="el" href="sdpcompute_8c_source.html">sdpcompute.c</a>.</p> </div> </div> <a class="anchor" id="a75f84e7c513f300729984f191d47549f"></a><!-- doxytag: member="sdpcompute.c::SDPConeComputeXX" ref="a75f84e7c513f300729984f191d47549f" args="(SDPCone sdpcone, int blockj, DSDPVec DY, double mu, DSDPDualMat S, DSDPVMat X)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int SDPConeComputeXX </td> <td>(</td> <td class="paramtype"><a class="el" href="structSDPCone__C.html">SDPCone</a> </td> <td class="paramname"><em>sdpcone</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>blockj</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>DY</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>mu</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="structDSDPDualMat__C.html">DSDPDualMat</a> </td> <td class="paramname"><em>S</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="structDSDPVMat__C.html">DSDPVMat</a> </td> <td class="paramname"><em>X</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Compute X. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">sdpcone</td><td>cone </td></tr> <tr><td class="paramname">blockj</td><td>block number in SDP cone. </td></tr> <tr><td class="paramname">DY</td><td>step direction vector </td></tr> <tr><td class="paramname">mu</td><td>barrier parameter </td></tr> <tr><td class="paramname">S</td><td>dual matrix alread inverted. </td></tr> <tr><td class="paramname">X</td><td>the result. </td></tr> </table> </dd> </dl> <p>Definition at line <a class="el" href="sdpcompute_8c_source.html#l00235">235</a> of file <a class="el" href="sdpcompute_8c_source.html">sdpcompute.c</a>.</p> <p>Referenced by <a class="el" href="sdpcone_8c_source.html#l00140">SDPConeComputeX3()</a>.</p> </div> </div> <a class="anchor" id="aa8720bd15d7c1c4fd43a4039f26b74c4"></a><!-- doxytag: member="sdpcompute.c::SDPConeMultiply" ref="aa8720bd15d7c1c4fd43a4039f26b74c4" args="(SDPCone sdpcone, int blockj, double mu, DSDPVec vrow, DSDPVec vin, DSDPVec vout)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int SDPConeMultiply </td> <td>(</td> <td class="paramtype"><a class="el" href="structSDPCone__C.html">SDPCone</a> </td> <td class="paramname"><em>sdpcone</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>blockj</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>mu</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>vrow</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>vin</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="dsdpvec_8h.html#a421243d35437ad44ded3c1e34198e8e9">DSDPVec</a> </td> <td class="paramname"><em>vout</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Compute the gradient to the barrier term. </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">sdpcone</td><td>semidefinite cone </td></tr> <tr><td class="paramname">blockj</td><td>block of cone </td></tr> <tr><td class="paramname">mu</td><td>barrier parameter </td></tr> <tr><td class="paramname">vrow</td><td>scalar to multiply each element of the product </td></tr> <tr><td class="paramname">vin</td><td>in vector. </td></tr> <tr><td class="paramname">vout</td><td>product </td></tr> </table> </dd> </dl> <p>Definition at line <a class="el" href="sdpcompute_8c_source.html#l00182">182</a> of file <a class="el" href="sdpcompute_8c_source.html">sdpcompute.c</a>.</p> </div> </div> </div> <hr class="footer"/><address class="footer"><small>Generated on Wed Jun 8 2011 for DSDP by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address> </body> 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