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<div class="title">mean_squared_error.hpp</div> </div>
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<a href="mean__squared__error_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_MEAN_SQUARED_ERROR_HPP</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#define MLPACK_METHODS_ANN_LAYER_MEAN_SQUARED_ERROR_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="l00030"></a><span class="lineno"> 30</span> <span class="keyword">template</span> <</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">typename</span> InputDataType = arma::mat,</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">typename</span> OutputDataType = arma::mat</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> ></div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html">MeanSquaredError</a></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a68f3c3711158b6a2edddc3381ec65f32">MeanSquaredError</a>();</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">/*</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * Computes the mean squared error function.</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> *</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * @param input Input data used for evaluating the specified function.</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * @param output Resulting output activation.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> */</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">template</span><<span class="keyword">typename</span> eT></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#ae5f183e5f0b7c045c7bf37af136d546f">Forward</a>(<span class="keyword">const</span> arma::Mat<eT>&& input, <span class="keyword">const</span> arma::Mat<eT>&& target);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">template</span><<span class="keyword">typename</span> eT></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a87ee050496f24ba9a2f28bcab210e41c">Backward</a>(<span class="keyword">const</span> arma::Mat<eT>&& input,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">const</span> arma::Mat<eT>&& target,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  arma::Mat<eT>&& output);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#aaff8427e32073e7108680541ef9fed2a"> 63</a></span>  InputDataType& <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#aaff8427e32073e7108680541ef9fed2a">InputParameter</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a26a3fbc002f8d37bcbb24b78b69b8e9c">inputParameter</a>; }</div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a8b664296a7d6f97610f4058b4657fdbb"> 65</a></span>  InputDataType& <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a8b664296a7d6f97610f4058b4657fdbb">InputParameter</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a26a3fbc002f8d37bcbb24b78b69b8e9c">inputParameter</a>; }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1d03bb51444defa19ab5ee748d9f94eb"> 68</a></span>  OutputDataType& <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1d03bb51444defa19ab5ee748d9f94eb">OutputParameter</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1e720e7e673910995b0a808340c5bfb9">outputParameter</a>; }</div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1cd7fad28e1cadd5951c542d75f0e4d5"> 70</a></span>  OutputDataType& <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1cd7fad28e1cadd5951c542d75f0e4d5">OutputParameter</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1e720e7e673910995b0a808340c5bfb9">outputParameter</a>; }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a7ae6b03e90be66ea6974bcee43247edd"> 73</a></span>  OutputDataType& <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a7ae6b03e90be66ea6974bcee43247edd">Delta</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a7709c3d48653ed863c0f859a183ffc6e">delta</a>; }</div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a254b8561925c17cdc7a9c2e7d6ec2c45"> 75</a></span>  OutputDataType& <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a254b8561925c17cdc7a9c2e7d6ec2c45">Delta</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a7709c3d48653ed863c0f859a183ffc6e">delta</a>; }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Archive></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a6251ca6c713743c4f45a5e5a87248e59">Serialize</a>(Archive& ar, <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="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a7709c3d48653ed863c0f859a183ffc6e"> 85</a></span>  OutputDataType <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a7709c3d48653ed863c0f859a183ffc6e">delta</a>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a26a3fbc002f8d37bcbb24b78b69b8e9c"> 88</a></span>  InputDataType <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a26a3fbc002f8d37bcbb24b78b69b8e9c">inputParameter</a>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1e720e7e673910995b0a808340c5bfb9"> 91</a></span>  OutputDataType <a class="code" href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1e720e7e673910995b0a808340c5bfb9">outputParameter</a>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }; <span class="comment">// class MeanSquaredError</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> } <span class="comment">// namespace ann</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// Include implementation.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#include "mean_squared_error_impl.hpp"</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="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_1MeanSquaredError_html_a1d03bb51444defa19ab5ee748d9f94eb"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1d03bb51444defa19ab5ee748d9f94eb">mlpack::ann::MeanSquaredError::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="mean__squared__error_8hpp_source.html#l00068">mean_squared_error.hpp:68</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_ae5f183e5f0b7c045c7bf37af136d546f"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#ae5f183e5f0b7c045c7bf37af136d546f">mlpack::ann::MeanSquaredError::Forward</a></div><div class="ttdeci">double Forward(const arma::Mat< eT > &&input, const arma::Mat< eT > &&target)</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_1MeanSquaredError_html_a26a3fbc002f8d37bcbb24b78b69b8e9c"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a26a3fbc002f8d37bcbb24b78b69b8e9c">mlpack::ann::MeanSquaredError::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="mean__squared__error_8hpp_source.html#l00088">mean_squared_error.hpp:88</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a8b664296a7d6f97610f4058b4657fdbb"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a8b664296a7d6f97610f4058b4657fdbb">mlpack::ann::MeanSquaredError::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="mean__squared__error_8hpp_source.html#l00065">mean_squared_error.hpp:65</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a254b8561925c17cdc7a9c2e7d6ec2c45"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a254b8561925c17cdc7a9c2e7d6ec2c45">mlpack::ann::MeanSquaredError::Delta</a></div><div class="ttdeci">OutputDataType & Delta()</div><div class="ttdoc">Modify the delta. </div><div class="ttdef"><b>Definition:</b> <a href="mean__squared__error_8hpp_source.html#l00075">mean_squared_error.hpp:75</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a1cd7fad28e1cadd5951c542d75f0e4d5"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1cd7fad28e1cadd5951c542d75f0e4d5">mlpack::ann::MeanSquaredError::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="mean__squared__error_8hpp_source.html#l00070">mean_squared_error.hpp:70</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html">mlpack::ann::MeanSquaredError</a></div><div class="ttdoc">The mean squared error performance function measures the network&#39;s performance according to the mean ...</div><div class="ttdef"><b>Definition:</b> <a href="mean__squared__error_8hpp_source.html#l00034">mean_squared_error.hpp:34</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a1e720e7e673910995b0a808340c5bfb9"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a1e720e7e673910995b0a808340c5bfb9">mlpack::ann::MeanSquaredError::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="mean__squared__error_8hpp_source.html#l00091">mean_squared_error.hpp:91</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_aaff8427e32073e7108680541ef9fed2a"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#aaff8427e32073e7108680541ef9fed2a">mlpack::ann::MeanSquaredError::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="mean__squared__error_8hpp_source.html#l00063">mean_squared_error.hpp:63</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a7709c3d48653ed863c0f859a183ffc6e"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a7709c3d48653ed863c0f859a183ffc6e">mlpack::ann::MeanSquaredError::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="mean__squared__error_8hpp_source.html#l00085">mean_squared_error.hpp:85</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a68f3c3711158b6a2edddc3381ec65f32"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a68f3c3711158b6a2edddc3381ec65f32">mlpack::ann::MeanSquaredError::MeanSquaredError</a></div><div class="ttdeci">MeanSquaredError()</div><div class="ttdoc">Create the MeanSquaredError object. </div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a6251ca6c713743c4f45a5e5a87248e59"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a6251ca6c713743c4f45a5e5a87248e59">mlpack::ann::MeanSquaredError::Serialize</a></div><div class="ttdeci">void Serialize(Archive &ar, const unsigned int)</div><div class="ttdoc">Serialize the layer. </div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a7ae6b03e90be66ea6974bcee43247edd"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a7ae6b03e90be66ea6974bcee43247edd">mlpack::ann::MeanSquaredError::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="mean__squared__error_8hpp_source.html#l00073">mean_squared_error.hpp:73</a></div></div>
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<div class="ttc" id="classmlpack_1_1ann_1_1MeanSquaredError_html_a87ee050496f24ba9a2f28bcab210e41c"><div class="ttname"><a href="classmlpack_1_1ann_1_1MeanSquaredError.html#a87ee050496f24ba9a2f28bcab210e41c">mlpack::ann::MeanSquaredError::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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