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<div class="title">polynomial_kernel.hpp</div> </div>
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<a href="polynomial__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> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#ifndef MLPACK_CORE_KERNELS_POLYNOMIAL_KERNEL_HPP</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#define MLPACK_CORE_KERNELS_POLYNOMIAL_KERNEL_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>kernel {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html">PolynomialKernel</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="l00038"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#ab1d0cc8fa1c55acde37938c5223ebe0e"> 38</a></span>  <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#ab1d0cc8fa1c55acde37938c5223ebe0e">PolynomialKernel</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">degree</a> = 2.0, <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">offset</a> = 0.0) :</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">degree</a>(<a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">degree</a>),</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">offset</a>(<a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">offset</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> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">template</span><<span class="keyword">typename</span> VecTypeA, <span class="keyword">typename</span> VecTypeB></div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a695e37e2e483960dd1c315b7e006ad88"> 55</a></span>  <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a695e37e2e483960dd1c315b7e006ad88">Evaluate</a>(<span class="keyword">const</span> VecTypeA& a, <span class="keyword">const</span> VecTypeB& b)<span class="keyword"> const</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> pow((arma::dot(a, b) + <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">offset</a>), <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">degree</a>);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#af527262e6e1a2c901e218591691cb1da"> 61</a></span>  <span class="keyword">const</span> <span class="keywordtype">double</span>& <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#af527262e6e1a2c901e218591691cb1da">Degree</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">degree</a>; }</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a9052eedd0da94ea91014d4cdeef2e496"> 63</a></span>  <span class="keywordtype">double</span>& <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a9052eedd0da94ea91014d4cdeef2e496">Degree</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">degree</a>; }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#ac4b840fca56ce1d1b8edf4491c8033fc"> 66</a></span>  <span class="keyword">const</span> <span class="keywordtype">double</span>& <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#ac4b840fca56ce1d1b8edf4491c8033fc">Offset</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">offset</a>; }</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a3ee67efc66134f407dbfce5b55ce0be4"> 68</a></span>  <span class="keywordtype">double</span>& <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a3ee67efc66134f407dbfce5b55ce0be4">Offset</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">offset</a>; }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Archive></div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a2cc10b8d922e940f71ade6b2a2f63085"> 72</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a2cc10b8d922e940f71ade6b2a2f63085">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="l00073"></a><span class="lineno"> 73</span>  {</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  ar & <a class="code" href="namespacemlpack_1_1data.html#a785ee98e0070286ef86eeeea85a74018">data::CreateNVP</a>(<a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">degree</a>, <span class="stringliteral">"degree"</span>);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  ar & <a class="code" href="namespacemlpack_1_1data.html#a785ee98e0070286ef86eeeea85a74018">data::CreateNVP</a>(<a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">offset</a>, <span class="stringliteral">"offset"</span>);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637"> 80</a></span>  <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">degree</a>;</div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0"> 82</a></span>  <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">offset</a>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> };</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> } <span class="comment">// namespace kernel</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html_a1f6fb8a60c0a375048ced813b9aa5637"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1f6fb8a60c0a375048ced813b9aa5637">mlpack::kernel::PolynomialKernel::degree</a></div><div class="ttdeci">double degree</div><div class="ttdoc">The degree of the polynomial. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00080">polynomial_kernel.hpp:80</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html_ab1d0cc8fa1c55acde37938c5223ebe0e"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#ab1d0cc8fa1c55acde37938c5223ebe0e">mlpack::kernel::PolynomialKernel::PolynomialKernel</a></div><div class="ttdeci">PolynomialKernel(const double degree=2.0, const double offset=0.0)</div><div class="ttdoc">Construct the Polynomial Kernel with the given offset and degree. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00038">polynomial_kernel.hpp:38</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_1PolynomialKernel_html_a3ee67efc66134f407dbfce5b55ce0be4"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a3ee67efc66134f407dbfce5b55ce0be4">mlpack::kernel::PolynomialKernel::Offset</a></div><div class="ttdeci">double & Offset()</div><div class="ttdoc">Modify the offset of the dot product of the arguments. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00068">polynomial_kernel.hpp:68</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="namespacemlpack_1_1data_html_a785ee98e0070286ef86eeeea85a74018"><div class="ttname"><a href="namespacemlpack_1_1data.html#a785ee98e0070286ef86eeeea85a74018">mlpack::data::CreateNVP</a></div><div class="ttdeci">FirstShim< T > CreateNVP(T &t, const std::string &name, typename std::enable_if_t< HasSerialize< T >::value > *=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>
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<div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html_ac4b840fca56ce1d1b8edf4491c8033fc"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#ac4b840fca56ce1d1b8edf4491c8033fc">mlpack::kernel::PolynomialKernel::Offset</a></div><div class="ttdeci">const double & Offset() const </div><div class="ttdoc">Get the offset of the dot product of the arguments. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00066">polynomial_kernel.hpp:66</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html_af527262e6e1a2c901e218591691cb1da"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#af527262e6e1a2c901e218591691cb1da">mlpack::kernel::PolynomialKernel::Degree</a></div><div class="ttdeci">const double & Degree() const </div><div class="ttdoc">Get the degree of the polynomial. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00061">polynomial_kernel.hpp:61</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html_a1ee8bdd31064437ad7e515052c0597e0"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a1ee8bdd31064437ad7e515052c0597e0">mlpack::kernel::PolynomialKernel::offset</a></div><div class="ttdeci">double offset</div><div class="ttdoc">The offset of the dot product of the arguments. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00082">polynomial_kernel.hpp:82</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html_a2cc10b8d922e940f71ade6b2a2f63085"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a2cc10b8d922e940f71ade6b2a2f63085">mlpack::kernel::PolynomialKernel::Serialize</a></div><div class="ttdeci">void Serialize(Archive &ar, const unsigned int)</div><div class="ttdoc">Serialize the kernel. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00072">polynomial_kernel.hpp:72</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html">mlpack::kernel::PolynomialKernel</a></div><div class="ttdoc">The simple polynomial kernel. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00028">polynomial_kernel.hpp:28</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html_a9052eedd0da94ea91014d4cdeef2e496"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a9052eedd0da94ea91014d4cdeef2e496">mlpack::kernel::PolynomialKernel::Degree</a></div><div class="ttdeci">double & Degree()</div><div class="ttdoc">Modify the degree of the polynomial. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00063">polynomial_kernel.hpp:63</a></div></div>
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<div class="ttc" id="classmlpack_1_1kernel_1_1PolynomialKernel_html_a695e37e2e483960dd1c315b7e006ad88"><div class="ttname"><a href="classmlpack_1_1kernel_1_1PolynomialKernel.html#a695e37e2e483960dd1c315b7e006ad88">mlpack::kernel::PolynomialKernel::Evaluate</a></div><div class="ttdeci">double Evaluate(const VecTypeA &a, const VecTypeB &b) const </div><div class="ttdoc">Simple evaluation of the dot product. </div><div class="ttdef"><b>Definition:</b> <a href="polynomial__kernel_8hpp_source.html#l00055">polynomial_kernel.hpp:55</a></div></div>
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