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classSparseLinearAlgebraTraits__d_1_1Matrix.html
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<div class="headertitle"><div class="title">SparseLinearAlgebraTraits_d::Matrix Concept Reference</div></div>
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<a name="details" id="details"></a><h2 class="groupheader">Definition</h2>
<div class="textblock"><p><code><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html" title="SparseLinearAlgebraTraits_d::Matrix is a concept of a sparse matrix class.">SparseLinearAlgebraTraits_d::Matrix</a></code> is a concept of a sparse matrix class. </p>
<dl>
<dt>Refines</dt>
<dd><code><a class="elRef" href="../Manual/classAssignable.html">Assignable</a></code> </dd>
<dt></dt>
<dd><code><a class="elRef" href="../Manual/classDefaultConstructible.html">DefaultConstructible</a></code> </dd>
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<dt>Has models</dt>
<dd></dd>
<dt></dt>
<dd><code><a class="el" href="structCGAL_1_1Eigen__sparse__matrix.html" title="The class Eigen_sparse_matrix is a wrapper around Eigen matrix type Eigen::SparseMatrix that represen...">CGAL::Eigen_sparse_matrix</a><T></code> </dd>
<dt></dt>
<dd><code><a class="el" href="structCGAL_1_1Eigen__sparse__symmetric__matrix.html" title="The class Eigen_sparse_symmetric_matrix is a wrapper around Eigen matrix type Eigen::SparseMatrix">CGAL::Eigen_sparse_symmetric_matrix</a><T></code> </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><code><a class="el" href="classSparseLinearAlgebraTraits__d.html" title="The concept SparseLinearAlgebraTraits_d is used to solve sparse linear systems A X = B.">SparseLinearAlgebraTraits_d</a></code> </dd>
<dd>
<code><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Vector.html" title="SparseLinearAlgebraTraits_d::Vector is a concept of a vector that can be multiplied by a sparse matri...">SparseLinearAlgebraTraits_d::Vector</a></code> </dd></dl>
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader">Types</h2></td></tr>
<tr class="memitem:a84b5bbb4dfeca72ef0c4c83b0a128c91"><td class="memItemLeft" align="right" valign="top"><a id="a84b5bbb4dfeca72ef0c4c83b0a128c91" name="a84b5bbb4dfeca72ef0c4c83b0a128c91"></a>
typedef <a class="elRef" href="../Manual/classunspecified__type.html">unspecified_type</a> </td><td class="memItemRight" valign="bottom"><b>Index</b></td></tr>
<tr class="memdesc:a84b5bbb4dfeca72ef0c4c83b0a128c91"><td class="mdescLeft"> </td><td class="mdescRight"><a class="elRef" href="../STL_Extension/classIndex.html">Index</a> type. <br></td></tr>
<tr class="separator:a84b5bbb4dfeca72ef0c4c83b0a128c91"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a18f8822562ce345196e6a02af23f55d4"><td class="memItemLeft" align="right" valign="top"><a id="a18f8822562ce345196e6a02af23f55d4" name="a18f8822562ce345196e6a02af23f55d4"></a>
typedef <a class="elRef" href="../Manual/classunspecified__type.html">unspecified_type</a> </td><td class="memItemRight" valign="bottom"><b>NT</b></td></tr>
<tr class="separator:a18f8822562ce345196e6a02af23f55d4"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader">Creation</h2></td></tr>
<tr class="memitem:af8d779f6c0562274227953d14b643e67"><td class="memItemLeft" align="right" valign="top"><a id="af8d779f6c0562274227953d14b643e67" name="af8d779f6c0562274227953d14b643e67"></a>
</td><td class="memItemRight" valign="bottom"><b>Matrix</b> (<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> dimension)</td></tr>
<tr class="memdesc:af8d779f6c0562274227953d14b643e67"><td class="mdescLeft"> </td><td class="mdescRight">Create a square matrix initialized with zeros. <br></td></tr>
<tr class="separator:af8d779f6c0562274227953d14b643e67"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6da3c739c86576ed7f19d52f7c449da6"><td class="memItemLeft" align="right" valign="top"><a id="a6da3c739c86576ed7f19d52f7c449da6" name="a6da3c739c86576ed7f19d52f7c449da6"></a>
</td><td class="memItemRight" valign="bottom"><b>Matrix</b> (<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> rows, <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> columns)</td></tr>
<tr class="memdesc:a6da3c739c86576ed7f19d52f7c449da6"><td class="mdescLeft"> </td><td class="mdescRight">Create a rectangular matrix initialized with zeros. <br></td></tr>
<tr class="separator:a6da3c739c86576ed7f19d52f7c449da6"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader">Operations</h2></td></tr>
<tr class="memitem:a0824b271455a4adc1ee97b00c3f8b2ae"><td class="memItemLeft" align="right" valign="top"><a id="a0824b271455a4adc1ee97b00c3f8b2ae" name="a0824b271455a4adc1ee97b00c3f8b2ae"></a>
<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> </td><td class="memItemRight" valign="bottom"><b>row_dimension</b> () const</td></tr>
<tr class="memdesc:a0824b271455a4adc1ee97b00c3f8b2ae"><td class="mdescLeft"> </td><td class="mdescRight">Return the matrix number of rows. <br></td></tr>
<tr class="separator:a0824b271455a4adc1ee97b00c3f8b2ae"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad8d6ebc2cd65fe3003d8a6655364eef4"><td class="memItemLeft" align="right" valign="top"><a id="ad8d6ebc2cd65fe3003d8a6655364eef4" name="ad8d6ebc2cd65fe3003d8a6655364eef4"></a>
<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> </td><td class="memItemRight" valign="bottom"><b>column_dimension</b> () const</td></tr>
<tr class="memdesc:ad8d6ebc2cd65fe3003d8a6655364eef4"><td class="mdescLeft"> </td><td class="mdescRight">Return the matrix number of columns. <br></td></tr>
<tr class="separator:ad8d6ebc2cd65fe3003d8a6655364eef4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a227aa2287d9c04afc1b75fbf79bd2dc1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a18f8822562ce345196e6a02af23f55d4">NT</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a227aa2287d9c04afc1b75fbf79bd2dc1">get_coef</a> (<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> row, <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> column) const</td></tr>
<tr class="memdesc:a227aa2287d9c04afc1b75fbf79bd2dc1"><td class="mdescLeft"> </td><td class="mdescRight">Read access to a matrix coefficient. <br></td></tr>
<tr class="separator:a227aa2287d9c04afc1b75fbf79bd2dc1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1493050f19c03eda48faa6ad604d2ca2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a1493050f19c03eda48faa6ad604d2ca2">add_coef</a> (<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> row, <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> column, <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a18f8822562ce345196e6a02af23f55d4">NT</a> value)</td></tr>
<tr class="memdesc:a1493050f19c03eda48faa6ad604d2ca2"><td class="mdescLeft"> </td><td class="mdescRight">Write access to a matrix coefficient: <code>a_ij = a_ij + val</code>. <br></td></tr>
<tr class="separator:a1493050f19c03eda48faa6ad604d2ca2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af8fb45f1264d5d7aa9e911c411cf91f9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#af8fb45f1264d5d7aa9e911c411cf91f9">set_coef</a> (<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> row, <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> column, <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a18f8822562ce345196e6a02af23f55d4">NT</a> value, bool new_coef=false)</td></tr>
<tr class="memdesc:af8fb45f1264d5d7aa9e911c411cf91f9"><td class="mdescLeft"> </td><td class="mdescRight">Write access to a matrix coefficient: <code>a_ij = val</code>. <br></td></tr>
<tr class="separator:af8fb45f1264d5d7aa9e911c411cf91f9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a74ce8b741113981c45ceeb98ba8f11ac"><td class="memItemLeft" align="right" valign="top"><a id="a74ce8b741113981c45ceeb98ba8f11ac" name="a74ce8b741113981c45ceeb98ba8f11ac"></a>
void </td><td class="memItemRight" valign="bottom"><b>swap</b> (<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html">Matrix</a> &m)</td></tr>
<tr class="memdesc:a74ce8b741113981c45ceeb98ba8f11ac"><td class="mdescLeft"> </td><td class="mdescRight">Swaps the content of <code>*this</code> and <code>m</code>. <br></td></tr>
<tr class="separator:a74ce8b741113981c45ceeb98ba8f11ac"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abe4d013f5f80b34d95d4e50b2b1e87ec"><td class="memItemLeft" align="right" valign="top"><a id="abe4d013f5f80b34d95d4e50b2b1e87ec" name="abe4d013f5f80b34d95d4e50b2b1e87ec"></a>
<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html">Matrix</a> </td><td class="memItemRight" valign="bottom"><b>operator*</b> (const <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a18f8822562ce345196e6a02af23f55d4">NT</a> &c, const <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html">Matrix</a> &M)</td></tr>
<tr class="memdesc:abe4d013f5f80b34d95d4e50b2b1e87ec"><td class="mdescLeft"> </td><td class="mdescRight">Multiplication with a scalar. <br></td></tr>
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<a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html">Matrix</a> </td><td class="memItemRight" valign="bottom"><b>operator+</b> (const <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html">Matrix</a> &M0, const <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html">Matrix</a> &M1)</td></tr>
<tr class="memdesc:a62aabd6209b5abc9ce51b911dd023034"><td class="mdescLeft"> </td><td class="mdescRight">Sum of two matrices. <br></td></tr>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a1493050f19c03eda48faa6ad604d2ca2">◆ </a></span>add_coef()</h2>
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<td class="memname">void SparseLinearAlgebraTraits_d::Matrix::add_coef </td>
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<td class="paramname"><em>row</em>, </td>
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<td class="paramname"><em>column</em>, </td>
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<td class="paramtype"><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a18f8822562ce345196e6a02af23f55d4">NT</a> </td>
<td class="paramname"><em>value</em> </td>
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<p>Write access to a matrix coefficient: <code>a_ij = a_ij + val</code>. </p>
<dl class="section pre"><dt>Precondition</dt><dd><code>0 <= row < <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a0824b271455a4adc1ee97b00c3f8b2ae" title="Return the matrix number of rows.">row_dimension()</a></code> </dd>
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<code>0 <= column < <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#ad8d6ebc2cd65fe3003d8a6655364eef4" title="Return the matrix number of columns.">column_dimension()</a></code> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a227aa2287d9c04afc1b75fbf79bd2dc1">◆ </a></span>get_coef()</h2>
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<td class="memname"><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a18f8822562ce345196e6a02af23f55d4">NT</a> SparseLinearAlgebraTraits_d::Matrix::get_coef </td>
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<p>Read access to a matrix coefficient. </p>
<dl class="section pre"><dt>Precondition</dt><dd><code>0 <= row < <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a0824b271455a4adc1ee97b00c3f8b2ae" title="Return the matrix number of rows.">row_dimension()</a></code> </dd>
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<code>0 <= column < <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#ad8d6ebc2cd65fe3003d8a6655364eef4" title="Return the matrix number of columns.">column_dimension()</a></code> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af8fb45f1264d5d7aa9e911c411cf91f9">◆ </a></span>set_coef()</h2>
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<td class="memname">void SparseLinearAlgebraTraits_d::Matrix::set_coef </td>
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<td class="paramname"><em>row</em>, </td>
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<td class="paramtype"><a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a84b5bbb4dfeca72ef0c4c83b0a128c91">Index</a> </td>
<td class="paramname"><em>column</em>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"><em>new_coef</em> = <code>false</code> </td>
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<p>Write access to a matrix coefficient: <code>a_ij = val</code>. </p>
<p>Optimization: Users can indicate that the coefficient does not already exist in the matrix by setting <code>new_coef</code> to <code>true</code>.</p>
<dl class="section pre"><dt>Precondition</dt><dd><code>0 <= i < <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#a0824b271455a4adc1ee97b00c3f8b2ae" title="Return the matrix number of rows.">row_dimension()</a></code> </dd>
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<code>0 <= j < <a class="el" href="classSparseLinearAlgebraTraits__d_1_1Matrix.html#ad8d6ebc2cd65fe3003d8a6655364eef4" title="Return the matrix number of columns.">column_dimension()</a></code> </dd></dl>
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