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<a href="nystroem__method_2nystroem__method_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef MLPACK_METHODS_NYSTROEM_METHOD_NYSTROEM_METHOD_HPP</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define MLPACK_METHODS_NYSTROEM_METHOD_NYSTROEM_METHOD_HPP</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <<a class="code" href="prereqs_8hpp.html">mlpack/prereqs.hpp</a>></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="kmeans__selection_8hpp.html">kmeans_selection.hpp</a>"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span><a class="code" href="namespacemlpack.html">mlpack</a> {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>kernel {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">template</span><</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">typename</span> KernelType,</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">typename</span> PointSelectionPolicy = KMeansSelection<></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> ></div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1NystroemMethod.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html">NystroemMethod</a></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#aff067b9ed60a8d8f43d89dd1cf0c0c3e">NystroemMethod</a>(<span class="keyword">const</span> arma::mat& <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#a2a4bccb0d30a6afbf46842e89744e3d7">data</a>, KernelType& <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#affff94f2ea3da4ff16108956e07f9c41">kernel</a>, <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#af42b5d799cd59c80b976eb2e9bbab3d0">rank</a>);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#aa2a18bb56a2b173d89dfc0ecd12f0c51">Apply</a>(arma::mat& output);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#a463658ec4d82568efd51745bbad63c95">GetKernelMatrix</a>(<span class="keyword">const</span> arma::mat* data,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  arma::mat& miniKernel,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  arma::mat& semiKernel);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#a463658ec4d82568efd51745bbad63c95">GetKernelMatrix</a>(<span class="keyword">const</span> arma::Col<size_t>& selectedPoints,</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  arma::mat& miniKernel,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  arma::mat& semiKernel);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1NystroemMethod.html#a2a4bccb0d30a6afbf46842e89744e3d7"> 73</a></span>  <span class="keyword">const</span> arma::mat& <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#a2a4bccb0d30a6afbf46842e89744e3d7">data</a>;</div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1NystroemMethod.html#affff94f2ea3da4ff16108956e07f9c41"> 75</a></span>  KernelType& <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#affff94f2ea3da4ff16108956e07f9c41">kernel</a>;</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1NystroemMethod.html#af42b5d799cd59c80b976eb2e9bbab3d0"> 77</a></span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1kernel_1_1NystroemMethod.html#af42b5d799cd59c80b976eb2e9bbab3d0">rank</a>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> };</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> } <span class="comment">// namespace kernel</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// Include implementation.</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#include "nystroem_method_impl.hpp"</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="kmeans__selection_8hpp_html"><div class="ttname"><a href="kmeans__selection_8hpp.html">kmeans_selection.hpp</a></div></div>
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<div class="ttc" id="namespacemlpack_html"><div class="ttname"><a href="namespacemlpack.html">mlpack</a></div><div class="ttdoc">Linear algebra utility functions, generally performed on matrices or vectors. </div><div class="ttdef"><b>Definition:</b> <a href="binarize_8hpp_source.html#l00018">binarize.hpp:18</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1NystroemMethod_html"><div class="ttname"><a href="classmlpack_1_1kernel_1_1NystroemMethod.html">mlpack::kernel::NystroemMethod</a></div><div class="ttdef"><b>Definition:</b> <a href="nystroem__method_2nystroem__method_8hpp_source.html#l00028">nystroem_method.hpp:28</a></div></div>
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<div class="ttc" id="prereqs_8hpp_html"><div class="ttname"><a href="prereqs_8hpp.html">prereqs.hpp</a></div><div class="ttdoc">The core includes that mlpack expects; standard C++ includes and Armadillo. </div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1NystroemMethod_html_af42b5d799cd59c80b976eb2e9bbab3d0"><div class="ttname"><a href="classmlpack_1_1kernel_1_1NystroemMethod.html#af42b5d799cd59c80b976eb2e9bbab3d0">mlpack::kernel::NystroemMethod::rank</a></div><div class="ttdeci">const size_t rank</div><div class="ttdoc">Rank used for matrix approximation. </div><div class="ttdef"><b>Definition:</b> <a href="nystroem__method_2nystroem__method_8hpp_source.html#l00077">nystroem_method.hpp:77</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1NystroemMethod_html_aa2a18bb56a2b173d89dfc0ecd12f0c51"><div class="ttname"><a href="classmlpack_1_1kernel_1_1NystroemMethod.html#aa2a18bb56a2b173d89dfc0ecd12f0c51">mlpack::kernel::NystroemMethod::Apply</a></div><div class="ttdeci">void Apply(arma::mat &output)</div><div class="ttdoc">Apply the low-rank factorization to obtain an output matrix G such that K&#39; = G * G^T. </div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1NystroemMethod_html_affff94f2ea3da4ff16108956e07f9c41"><div class="ttname"><a href="classmlpack_1_1kernel_1_1NystroemMethod.html#affff94f2ea3da4ff16108956e07f9c41">mlpack::kernel::NystroemMethod::kernel</a></div><div class="ttdeci">KernelType & kernel</div><div class="ttdoc">The locally stored kernel, if it is necessary. </div><div class="ttdef"><b>Definition:</b> <a href="nystroem__method_2nystroem__method_8hpp_source.html#l00075">nystroem_method.hpp:75</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1NystroemMethod_html_a2a4bccb0d30a6afbf46842e89744e3d7"><div class="ttname"><a href="classmlpack_1_1kernel_1_1NystroemMethod.html#a2a4bccb0d30a6afbf46842e89744e3d7">mlpack::kernel::NystroemMethod::data</a></div><div class="ttdeci">const arma::mat & data</div><div class="ttdoc">The reference dataset. </div><div class="ttdef"><b>Definition:</b> <a href="nystroem__method_2nystroem__method_8hpp_source.html#l00073">nystroem_method.hpp:73</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1NystroemMethod_html_aff067b9ed60a8d8f43d89dd1cf0c0c3e"><div class="ttname"><a href="classmlpack_1_1kernel_1_1NystroemMethod.html#aff067b9ed60a8d8f43d89dd1cf0c0c3e">mlpack::kernel::NystroemMethod::NystroemMethod</a></div><div class="ttdeci">NystroemMethod(const arma::mat &data, KernelType &kernel, const size_t rank)</div><div class="ttdoc">Create the NystroemMethod object. </div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1NystroemMethod_html_a463658ec4d82568efd51745bbad63c95"><div class="ttname"><a href="classmlpack_1_1kernel_1_1NystroemMethod.html#a463658ec4d82568efd51745bbad63c95">mlpack::kernel::NystroemMethod::GetKernelMatrix</a></div><div class="ttdeci">void GetKernelMatrix(const arma::mat *data, arma::mat &miniKernel, arma::mat &semiKernel)</div><div class="ttdoc">Construct the kernel matrix with matrix that contains the selected points. </div></div>
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