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189 lines
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<p>A DictionaryInitializer for use with the <a class="el" href="classmlpack_1_1sparse__coding_1_1SparseCoding.html" title="An implementation of Sparse Coding with Dictionary Learning that achieves sparsity via an l1-norm reg...">SparseCoding</a> class.
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<a href="classmlpack_1_1sparse__coding_1_1RandomInitializer.html#details">More...</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:afc9144cd1916456d51d142cf80a2c462"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmlpack_1_1sparse__coding_1_1RandomInitializer.html#afc9144cd1916456d51d142cf80a2c462">Initialize</a> (const arma::mat &data, const size_t atoms, arma::mat &dictionary)</td></tr>
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<tr class="memdesc:afc9144cd1916456d51d142cf80a2c462"><td class="mdescLeft"> </td><td class="mdescRight">Initialize the dictionary randomly from a normal distribution, such that each atom has a norm of 1. <a href="#afc9144cd1916456d51d142cf80a2c462">More...</a><br /></td></tr>
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<tr class="separator:afc9144cd1916456d51d142cf80a2c462"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>A DictionaryInitializer for use with the <a class="el" href="classmlpack_1_1sparse__coding_1_1SparseCoding.html" title="An implementation of Sparse Coding with Dictionary Learning that achieves sparsity via an l1-norm reg...">SparseCoding</a> class. </p>
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<p>This provides a random, normally distributed dictionary, such that each atom has a norm of 1. </p>
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<p>Definition at line <a class="el" href="random__initializer_8hpp_source.html#l00025">25</a> of file <a class="el" href="random__initializer_8hpp_source.html">random_initializer.hpp</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="afc9144cd1916456d51d142cf80a2c462"></a>
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<td class="memname">static void mlpack::sparse_coding::RandomInitializer::Initialize </td>
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<td>(</td>
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<td class="paramtype">const arma::mat & </td>
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<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const size_t </td>
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<td class="paramname"><em>atoms</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">arma::mat & </td>
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<td class="paramname"><em>dictionary</em> </td>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td>
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<p>Initialize the dictionary randomly from a normal distribution, such that each atom has a norm of 1. </p>
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<p>This is simple enough to be included with the definition.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">data</td><td>Dataset to use for initialization. </td></tr>
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<tr><td class="paramname">atoms</td><td>Number of atoms (columns) in the dictionary. </td></tr>
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<tr><td class="paramname">dictionary</td><td>Dictionary to initialize. </td></tr>
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</table>
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</dd>
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<p>Definition at line <a class="el" href="random__initializer_8hpp_source.html#l00037">37</a> of file <a class="el" href="random__initializer_8hpp_source.html">random_initializer.hpp</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>src/mlpack/methods/sparse_coding/<a class="el" href="random__initializer_8hpp_source.html">random_initializer.hpp</a></li>
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