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<a href="classEigen_1_1PardisoLU-members.html">List of all members</a> |
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<div class="title">PardisoLU< _MatrixType > Class Template Reference<div class="ingroups"><a class="el" href="group__PardisoSupport__Module.html">PardisoSupport module</a></div></div> </div>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename _MatrixType><br/>
class Eigen::PardisoLU< _MatrixType ></h3>
<p>A sparse direct LU factorization and solver based on the PARDISO library. </p>
<p>This class allows to solve for A.X = B sparse linear problems via a direct LU factorization using the Intel MKL PARDISO library. The sparse matrix A must be squared and invertible. The vectors or matrices X and B can be either dense or sparse.</p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">_MatrixType</td><td>the type of the sparse matrix A, it must be a SparseMatrix<></td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="group__TopicSparseSystems.html#TutorialSparseDirectSolvers">Sparse solvers</a> </dd></dl>
</div>
<p>Inherits PardisoImpl< Derived >.</p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ab0129109d9d29e052c0e1d0231a5d79e"><td class="memItemLeft" align="right" valign="top">Derived & </td><td class="memItemRight" valign="bottom"><b>analyzePattern</b> (const MatrixType &matrix)</td></tr>
<tr class="separator:ab0129109d9d29e052c0e1d0231a5d79e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2d06a3fe40014fc82ab8204578cf2d0b"><td class="memItemLeft" align="right" valign="top">Derived & </td><td class="memItemRight" valign="bottom"><b>factorize</b> (const MatrixType &matrix)</td></tr>
<tr class="separator:a2d06a3fe40014fc82ab8204578cf2d0b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0c06d5c2034ebb329c54235369643ad2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__enums.html#ga51bc1ac16f26ebe51eae1abb77bd037b">ComputationInfo</a> </td><td class="memItemRight" valign="bottom"><b>info</b> () const </td></tr>
<tr class="memdesc:a0c06d5c2034ebb329c54235369643ad2"><td class="mdescLeft"> </td><td class="mdescRight">Reports whether previous computation was successful. <a href="#a0c06d5c2034ebb329c54235369643ad2">More...</a><br/></td></tr>
<tr class="separator:a0c06d5c2034ebb329c54235369643ad2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a32506fe389dcf91339e0490d296fdf40"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1Array.html">ParameterType</a> & </td><td class="memItemRight" valign="bottom"><b>pardisoParameterArray</b> ()</td></tr>
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<tr class="memitem:a3d48fafcd8aaed4329a332479388308a"><td class="memTemplParams" colspan="2">template<typename Rhs > </td></tr>
<tr class="memitem:a3d48fafcd8aaed4329a332479388308a"><td class="memTemplItemLeft" align="right" valign="top">const internal::solve_retval<br class="typebreak"/>
< PardisoImpl, Rhs > </td><td class="memTemplItemRight" valign="bottom"><b>solve</b> (const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Rhs > &b) const </td></tr>
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<tr class="memitem:a8e4d2360a5ca6b8dd225fe45a55b89f5"><td class="memTemplParams" colspan="2">template<typename Rhs > </td></tr>
<tr class="memitem:a8e4d2360a5ca6b8dd225fe45a55b89f5"><td class="memTemplItemLeft" align="right" valign="top">const <br class="typebreak"/>
internal::sparse_solve_retval<br class="typebreak"/>
< PardisoImpl, Rhs > </td><td class="memTemplItemRight" valign="bottom"><b>solve</b> (const <a class="el" href="classEigen_1_1SparseMatrixBase.html">SparseMatrixBase</a>< Rhs > &b) const </td></tr>
<tr class="separator:a8e4d2360a5ca6b8dd225fe45a55b89f5"><td class="memSeparator" colspan="2"> </td></tr>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">Derived & analyzePattern </td>
<td>(</td>
<td class="paramtype">const MatrixType & </td>
<td class="paramname"><em>matrix</em></td><td>)</td>
<td></td>
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<p>Performs a symbolic decomposition on the sparcity of <em>matrix</em>.</p>
<p>This function is particularly useful when solving for several problems having the same structure.</p>
<dl class="section see"><dt>See Also</dt><dd>factorize() </dd></dl>
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<td class="memname">Derived & factorize </td>
<td>(</td>
<td class="paramtype">const MatrixType & </td>
<td class="paramname"><em>matrix</em></td><td>)</td>
<td></td>
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<p>Performs a numeric decomposition of <em>matrix</em> </p>
<p>The given matrix must has the same sparcity than the matrix on which the symbolic decomposition has been performed.</p>
<dl class="section see"><dt>See Also</dt><dd>analyzePattern() </dd></dl>
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<td class="memname"><a class="el" href="group__enums.html#ga51bc1ac16f26ebe51eae1abb77bd037b">ComputationInfo</a> info </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Reports whether previous computation was successful. </p>
<dl class="section return"><dt>Returns</dt><dd><code>Success</code> if computation was succesful, <code>NumericalIssue</code> if the matrix appears to be negative. </dd></dl>
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<td class="memname"><a class="el" href="classEigen_1_1Array.html">ParameterType</a>& pardisoParameterArray </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<dl class="section warning"><dt>Warning</dt><dd>for advanced usage only. </dd></dl>
<dl class="section return"><dt>Returns</dt><dd>a reference to the parameter array controlling PARDISO. See the PARDISO manual to know how to use it. </dd></dl>
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<td class="memname">const internal::solve_retval<PardisoImpl, Rhs> solve </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Rhs > & </td>
<td class="paramname"><em>b</em></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the solution x of <img class="formulaInl" alt="$ A x = b $" src="form_3.png"/> using the current decomposition of A.</dd></dl>
<dl class="section see"><dt>See Also</dt><dd>compute() </dd></dl>
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<td class="memname">const internal::sparse_solve_retval<PardisoImpl, Rhs> solve </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classEigen_1_1SparseMatrixBase.html">SparseMatrixBase</a>< Rhs > & </td>
<td class="paramname"><em>b</em></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>the solution x of <img class="formulaInl" alt="$ A x = b $" src="form_3.png"/> using the current decomposition of A.</dd></dl>
<dl class="section see"><dt>See Also</dt><dd>compute() </dd></dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="PardisoSupport_8h_source.html">PardisoSupport.h</a></li>
</ul>
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