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<div class="headertitle"><div class="title">Solver_interface/singular_value_decomposition.cpp</div></div>
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<div class="fragment"><div class="line"><span class="preprocessor">#ifdef CGAL_EIGEN3_ENABLED</span></div>
<div class="line"><span class="preprocessor">#include <CGAL/Eigen_matrix.h></span></div>
<div class="line"><span class="preprocessor">#include <CGAL/Eigen_vector.h></span></div>
<div class="line"><span class="preprocessor">#include <CGAL/Eigen_svd.h></span></div>
<div class="line"><span class="keyword">typedef</span> <a id="_a0" name="_a0"></a><a class="code hl_class" href="classCGAL_1_1Eigen__svd.html">CGAL::Eigen_svd</a> Svd;</div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"> </div>
<div class="line"><span class="keyword">typedef</span> Svd::FT FT;</div>
<div class="line"><span class="keyword">typedef</span> Svd::Vector Eigen_vector;</div>
<div class="line"><span class="keyword">typedef</span> Svd::Matrix Eigen_matrix;</div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">void</span>)</div>
<div class="line">{</div>
<div class="line"> std::size_t degree = 3;</div>
<div class="line"> </div>
<div class="line"> Eigen_vector B(degree);</div>
<div class="line"> Eigen_matrix M(degree, degree);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// Fill B and M with random numbers</span></div>
<div class="line"> <span class="keywordflow">for</span>(std::size_t i=0; i<degree; ++i)</div>
<div class="line"> {</div>
<div class="line"> B.set(i, rand());</div>
<div class="line"> <span class="keywordflow">for</span>(std::size_t j = 0; j < degree; ++j)</div>
<div class="line"> M.set(i, j, rand());</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// Solve MX=B</span></div>
<div class="line"> std::cout << Svd::solve(M, B) << std::endl;</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// Print result</span></div>
<div class="line"> std::cout << <span class="stringliteral">"Solution of SVD = [ "</span>;</div>
<div class="line"> <span class="keywordflow">for</span>(std::size_t i=0; i<degree; ++i)</div>
<div class="line"> std::cout << B.vector()[i] << <span class="stringliteral">" "</span>;</div>
<div class="line"> std::cout << <span class="stringliteral">"]"</span> << std::endl;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
<div class="ttc" id="aclassCGAL_1_1Eigen__svd_html"><div class="ttname"><a href="classCGAL_1_1Eigen__svd.html">CGAL::Eigen_svd</a></div><div class="ttdoc">The class Eigen_svd provides an algorithm to solve in the least square sense a linear system with a s...</div><div class="ttdef"><b>Definition:</b> Eigen_svd.h:38</div></div>
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