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<div class="title">hyperbolic_tangent_kernel.hpp</div> </div>
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<a href="hyperbolic__tangent__kernel_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>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#ifndef MLPACK_CORE_KERNELS_HYPERBOLIC_TANGENT_KERNEL_HPP</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#define MLPACK_CORE_KERNELS_HYPERBOLIC_TANGENT_KERNEL_HPP</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="prereqs_8hpp.html">mlpack/prereqs.hpp</a>&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<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>&#160;<span class="keyword">namespace </span>kernel {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html"> 28</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html">HyperbolicTangentKernel</a></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;{</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#afa9f40ba3290589444163d6f0a45247f"> 34</a></span>&#160; <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#afa9f40ba3290589444163d6f0a45247f">HyperbolicTangentKernel</a>() : <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44">scale</a>(1.0), <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d">offset</a>(0.0)</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; { }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ae1a31f6d0b15b156451712aa0741f26b"> 44</a></span>&#160; <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ae1a31f6d0b15b156451712aa0741f26b">HyperbolicTangentKernel</a>(<span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44">scale</a>, <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d">offset</a>) :</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; scale(scale), offset(offset)</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; { }</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> VecTypeA, <span class="keyword">typename</span> VecTypeB&gt;</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a98757405d0e08bef9d0f32a61a9549cc"> 60</a></span>&#160; <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a98757405d0e08bef9d0f32a61a9549cc">Evaluate</a>(<span class="keyword">const</span> VecTypeA&amp; a, <span class="keyword">const</span> VecTypeB&amp; b)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">return</span> tanh(<a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44">scale</a> * arma::dot(a, b) + <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d">offset</a>);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a6b583368f635e94f92e7ad9625ff5a1a"> 66</a></span>&#160; <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a6b583368f635e94f92e7ad9625ff5a1a">Scale</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44">scale</a>; }</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a1a3a6b933bbe7f71bd905784f9360d8d"> 68</a></span>&#160; <span class="keywordtype">double</span>&amp; <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a1a3a6b933bbe7f71bd905784f9360d8d">Scale</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44">scale</a>; }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a6bf4a131db46bab6c2f7730a38030e3a"> 71</a></span>&#160; <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a6bf4a131db46bab6c2f7730a38030e3a">Offset</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d">offset</a>; }</div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7cbaf664ca2c4e0b79f5e236cab8af2d"> 73</a></span>&#160; <span class="keywordtype">double</span>&amp; <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7cbaf664ca2c4e0b79f5e236cab8af2d">Offset</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d">offset</a>; }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Archive&gt;</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a59ac706f30a339c2f09eb7fbccf48c56"> 77</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a59ac706f30a339c2f09eb7fbccf48c56">Serialize</a>(Archive&amp; 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="l00078"></a><span class="lineno"> 78</span>&#160; {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; ar &amp; <a class="code" href="namespacemlpack_1_1data.html#a785ee98e0070286ef86eeeea85a74018">data::CreateNVP</a>(<a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44">scale</a>, <span class="stringliteral">&quot;scale&quot;</span>);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; ar &amp; <a class="code" href="namespacemlpack_1_1data.html#a785ee98e0070286ef86eeeea85a74018">data::CreateNVP</a>(<a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d">offset</a>, <span class="stringliteral">&quot;offset&quot;</span>);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44"> 84</a></span>&#160; <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44">scale</a>;</div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d"> 85</a></span>&#160; <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d">offset</a>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;};</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;} <span class="comment">// namespace kernel</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;} <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_afa9f40ba3290589444163d6f0a45247f"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#afa9f40ba3290589444163d6f0a45247f">mlpack::kernel::HyperbolicTangentKernel::HyperbolicTangentKernel</a></div><div class="ttdeci">HyperbolicTangentKernel()</div><div class="ttdoc">This constructor sets the default scale to 1.0 and offset to 0.0. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00034">hyperbolic_tangent_kernel.hpp:34</a></div></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>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html">mlpack::kernel::HyperbolicTangentKernel</a></div><div class="ttdoc">Hyperbolic tangent kernel. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00028">hyperbolic_tangent_kernel.hpp:28</a></div></div>
<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>
<div class="ttc" id="namespacemlpack_1_1data_html_a785ee98e0070286ef86eeeea85a74018"><div class="ttname"><a href="namespacemlpack_1_1data.html#a785ee98e0070286ef86eeeea85a74018">mlpack::data::CreateNVP</a></div><div class="ttdeci">FirstShim&lt; T &gt; CreateNVP(T &amp;t, const std::string &amp;name, typename std::enable_if_t&lt; HasSerialize&lt; T &gt;::value &gt; *=0)</div><div class="ttdoc">Call this function to produce a name-value pair; this is similar to BOOST_SERIALIZATION_NVP(), but should be used for types that have a Serialize() function (or contain a type that has a Serialize() function) instead of a serialize() function. </div><div class="ttdef"><b>Definition:</b> <a href="serialization__shim_8hpp_source.html#l00094">serialization_shim.hpp:94</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_a59ac706f30a339c2f09eb7fbccf48c56"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a59ac706f30a339c2f09eb7fbccf48c56">mlpack::kernel::HyperbolicTangentKernel::Serialize</a></div><div class="ttdeci">void Serialize(Archive &amp;ar, const unsigned int)</div><div class="ttdoc">Serialize the kernel. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00077">hyperbolic_tangent_kernel.hpp:77</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_a7fa7810cbab749d93de8f4994f55919d"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7fa7810cbab749d93de8f4994f55919d">mlpack::kernel::HyperbolicTangentKernel::offset</a></div><div class="ttdeci">double offset</div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00085">hyperbolic_tangent_kernel.hpp:85</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_a98757405d0e08bef9d0f32a61a9549cc"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a98757405d0e08bef9d0f32a61a9549cc">mlpack::kernel::HyperbolicTangentKernel::Evaluate</a></div><div class="ttdeci">double Evaluate(const VecTypeA &amp;a, const VecTypeB &amp;b)</div><div class="ttdoc">Evaluate the hyperbolic tangent kernel. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00060">hyperbolic_tangent_kernel.hpp:60</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_a7cbaf664ca2c4e0b79f5e236cab8af2d"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a7cbaf664ca2c4e0b79f5e236cab8af2d">mlpack::kernel::HyperbolicTangentKernel::Offset</a></div><div class="ttdeci">double &amp; Offset()</div><div class="ttdoc">Modify offset for the kernel. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00073">hyperbolic_tangent_kernel.hpp:73</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_ae1a31f6d0b15b156451712aa0741f26b"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ae1a31f6d0b15b156451712aa0741f26b">mlpack::kernel::HyperbolicTangentKernel::HyperbolicTangentKernel</a></div><div class="ttdeci">HyperbolicTangentKernel(double scale, double offset)</div><div class="ttdoc">Construct the hyperbolic tangent kernel with custom scale factor and offset. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00044">hyperbolic_tangent_kernel.hpp:44</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_a1a3a6b933bbe7f71bd905784f9360d8d"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a1a3a6b933bbe7f71bd905784f9360d8d">mlpack::kernel::HyperbolicTangentKernel::Scale</a></div><div class="ttdeci">double &amp; Scale()</div><div class="ttdoc">Modify scale factor. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00068">hyperbolic_tangent_kernel.hpp:68</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_ac7fc2bb9399ec5ebbbf1b45f5eb14f44"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#ac7fc2bb9399ec5ebbbf1b45f5eb14f44">mlpack::kernel::HyperbolicTangentKernel::scale</a></div><div class="ttdeci">double scale</div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00084">hyperbolic_tangent_kernel.hpp:84</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_a6bf4a131db46bab6c2f7730a38030e3a"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a6bf4a131db46bab6c2f7730a38030e3a">mlpack::kernel::HyperbolicTangentKernel::Offset</a></div><div class="ttdeci">double Offset() const </div><div class="ttdoc">Get offset for the kernel. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00071">hyperbolic_tangent_kernel.hpp:71</a></div></div>
<div class="ttc" id="classmlpack_1_1kernel_1_1HyperbolicTangentKernel_html_a6b583368f635e94f92e7ad9625ff5a1a"><div class="ttname"><a href="classmlpack_1_1kernel_1_1HyperbolicTangentKernel.html#a6b583368f635e94f92e7ad9625ff5a1a">mlpack::kernel::HyperbolicTangentKernel::Scale</a></div><div class="ttdeci">double Scale() const </div><div class="ttdoc">Get scale factor. </div><div class="ttdef"><b>Definition:</b> <a href="hyperbolic__tangent__kernel_8hpp_source.html#l00066">hyperbolic_tangent_kernel.hpp:66</a></div></div>
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