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<div class="title">negative_log_likelihood.hpp</div> </div>
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<a href="negative__log__likelihood_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="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#ifndef MLPACK_METHODS_ANN_LAYER_NEGATIVE_LOG_LIKELIHOOD_HPP</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#define MLPACK_METHODS_ANN_LAYER_NEGATIVE_LOG_LIKELIHOOD_HPP</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <<a class="code" href="prereqs_8hpp.html">mlpack/prereqs.hpp</a>></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span><a class="code" href="namespacemlpack.html">mlpack</a> {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>ann {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">template</span> <</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">typename</span> InputDataType = arma::mat,</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">typename</span> OutputDataType = arma::mat</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> ></div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html"> 35</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html">NegativeLogLikelihood</a></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a13400bc857d37acef4de33ecf9087f58">NegativeLogLikelihood</a>();</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">/*</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * Computes the Negative log likelihood.</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> *</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * @param input Input data used for evaluating the specified function.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * @param output Resulting output activation.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> */</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">template</span><<span class="keyword">typename</span> eT></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#aea19b229261ca8b91ae879318033f65d">Forward</a>(<span class="keyword">const</span> arma::Mat<eT>&& input, arma::Mat<eT>&& target);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">template</span><<span class="keyword">typename</span> eT></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#ada4d9f51aeae0c75c7e5c93bade589d8">Backward</a>(<span class="keyword">const</span> arma::Mat<eT>&& input,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">const</span> arma::Mat<eT>&& target,</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  arma::Mat<eT>&& output);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#aa92912ba967773b9de577f129779c479"> 69</a></span>  InputDataType& <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#aa92912ba967773b9de577f129779c479">InputParameter</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a2f9689965d086e12b3e24006501b40d3">inputParameter</a>; }</div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a897574da6a0cb6e143e4cebf9a62661e"> 71</a></span>  InputDataType& <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a897574da6a0cb6e143e4cebf9a62661e">InputParameter</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a2f9689965d086e12b3e24006501b40d3">inputParameter</a>; }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a86b93975a7a5a131e4c2b99b6fcde3ca"> 74</a></span>  OutputDataType& <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a86b93975a7a5a131e4c2b99b6fcde3ca">OutputParameter</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a1521506385588423285aa23925b4948d">outputParameter</a>; }</div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a0cba84c2bee878363e857fec2bebad0b"> 76</a></span>  OutputDataType& <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a0cba84c2bee878363e857fec2bebad0b">OutputParameter</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a1521506385588423285aa23925b4948d">outputParameter</a>; }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#adfac578a45ae7de0f42d45af483336b8"> 79</a></span>  OutputDataType& <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#adfac578a45ae7de0f42d45af483336b8">Delta</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a307f5434590597f08ea74d01642438d4">delta</a>; }</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#afa4be0fc072bab536d2b40e6567ee513"> 81</a></span>  OutputDataType& <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#afa4be0fc072bab536d2b40e6567ee513">Delta</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a307f5434590597f08ea74d01642438d4">delta</a>; }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Archive></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a051818c8f723ba5631584bd483822dbe">Serialize</a>(Archive& <span class="comment">/* ar */</span>, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="comment">/* version */</span>);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a307f5434590597f08ea74d01642438d4"> 91</a></span>  OutputDataType <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a307f5434590597f08ea74d01642438d4">delta</a>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a2f9689965d086e12b3e24006501b40d3"> 94</a></span>  InputDataType <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a2f9689965d086e12b3e24006501b40d3">inputParameter</a>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a1521506385588423285aa23925b4948d"> 97</a></span>  OutputDataType <a class="code" href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a1521506385588423285aa23925b4948d">outputParameter</a>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> }; <span class="comment">// class NegativeLogLikelihood</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> } <span class="comment">// namespace ann</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// Include implementation.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#include "negative_log_likelihood_impl.hpp"</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#endif</span></div><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_1ann_1_1NegativeLogLikelihood_html_a2f9689965d086e12b3e24006501b40d3"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a2f9689965d086e12b3e24006501b40d3">mlpack::ann::NegativeLogLikelihood::inputParameter</a></div><div class="ttdeci">InputDataType inputParameter</div><div class="ttdoc">Locally-stored input parameter object. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00094">negative_log_likelihood.hpp:94</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_a0cba84c2bee878363e857fec2bebad0b"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a0cba84c2bee878363e857fec2bebad0b">mlpack::ann::NegativeLogLikelihood::OutputParameter</a></div><div class="ttdeci">OutputDataType & OutputParameter()</div><div class="ttdoc">Modify the output parameter. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00076">negative_log_likelihood.hpp:76</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_1ann_1_1NegativeLogLikelihood_html_a13400bc857d37acef4de33ecf9087f58"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a13400bc857d37acef4de33ecf9087f58">mlpack::ann::NegativeLogLikelihood::NegativeLogLikelihood</a></div><div class="ttdeci">NegativeLogLikelihood()</div><div class="ttdoc">Create the NegativeLogLikelihoodLayer object. </div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_a897574da6a0cb6e143e4cebf9a62661e"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a897574da6a0cb6e143e4cebf9a62661e">mlpack::ann::NegativeLogLikelihood::InputParameter</a></div><div class="ttdeci">InputDataType & InputParameter()</div><div class="ttdoc">Modify the input parameter. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00071">negative_log_likelihood.hpp:71</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_a86b93975a7a5a131e4c2b99b6fcde3ca"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a86b93975a7a5a131e4c2b99b6fcde3ca">mlpack::ann::NegativeLogLikelihood::OutputParameter</a></div><div class="ttdeci">OutputDataType & OutputParameter() const </div><div class="ttdoc">Get the output parameter. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00074">negative_log_likelihood.hpp:74</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html">mlpack::ann::NegativeLogLikelihood</a></div><div class="ttdoc">Implementation of the negative log likelihood layer. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00035">negative_log_likelihood.hpp:35</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_adfac578a45ae7de0f42d45af483336b8"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#adfac578a45ae7de0f42d45af483336b8">mlpack::ann::NegativeLogLikelihood::Delta</a></div><div class="ttdeci">OutputDataType & Delta() const </div><div class="ttdoc">Get the delta. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00079">negative_log_likelihood.hpp:79</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_a1521506385588423285aa23925b4948d"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a1521506385588423285aa23925b4948d">mlpack::ann::NegativeLogLikelihood::outputParameter</a></div><div class="ttdeci">OutputDataType outputParameter</div><div class="ttdoc">Locally-stored output parameter object. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00097">negative_log_likelihood.hpp:97</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_a307f5434590597f08ea74d01642438d4"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a307f5434590597f08ea74d01642438d4">mlpack::ann::NegativeLogLikelihood::delta</a></div><div class="ttdeci">OutputDataType delta</div><div class="ttdoc">Locally-stored delta object. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00091">negative_log_likelihood.hpp:91</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_aa92912ba967773b9de577f129779c479"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#aa92912ba967773b9de577f129779c479">mlpack::ann::NegativeLogLikelihood::InputParameter</a></div><div class="ttdeci">InputDataType & InputParameter() const </div><div class="ttdoc">Get the input parameter. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00069">negative_log_likelihood.hpp:69</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_aea19b229261ca8b91ae879318033f65d"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#aea19b229261ca8b91ae879318033f65d">mlpack::ann::NegativeLogLikelihood::Forward</a></div><div class="ttdeci">double Forward(const arma::Mat< eT > &&input, arma::Mat< eT > &&target)</div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_afa4be0fc072bab536d2b40e6567ee513"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#afa4be0fc072bab536d2b40e6567ee513">mlpack::ann::NegativeLogLikelihood::Delta</a></div><div class="ttdeci">OutputDataType & Delta()</div><div class="ttdoc">Modify the delta. </div><div class="ttdef"><b>Definition:</b> <a href="negative__log__likelihood_8hpp_source.html#l00081">negative_log_likelihood.hpp:81</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_ada4d9f51aeae0c75c7e5c93bade589d8"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#ada4d9f51aeae0c75c7e5c93bade589d8">mlpack::ann::NegativeLogLikelihood::Backward</a></div><div class="ttdeci">void Backward(const arma::Mat< eT > &&input, const arma::Mat< eT > &&target, arma::Mat< eT > &&output)</div><div class="ttdoc">Ordinary feed backward pass of a neural network. </div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1NegativeLogLikelihood_html_a051818c8f723ba5631584bd483822dbe"><div class="ttname"><a href="classmlpack_1_1ann_1_1NegativeLogLikelihood.html#a051818c8f723ba5631584bd483822dbe">mlpack::ann::NegativeLogLikelihood::Serialize</a></div><div class="ttdeci">void Serialize(Archive &, const unsigned int)</div><div class="ttdoc">Serialize the layer. </div></div>
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