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364 lines
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<li class="navelem"><a class="el" href="namespacemlpack.html">mlpack</a></li><li class="navelem"><a class="el" href="namespacemlpack_1_1ann.html">ann</a></li><li class="navelem"><a class="el" href="classmlpack_1_1ann_1_1IdentityFunction.html">IdentityFunction</a></li> </ul>
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<div class="title">mlpack::ann::IdentityFunction Class Reference</div> </div>
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<div class="contents">
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<p>The identity function, defined by.
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<a href="classmlpack_1_1ann_1_1IdentityFunction.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:a37dada667419a25f1283d76e54090ab6"><td class="memItemLeft" align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classmlpack_1_1ann_1_1IdentityFunction.html#a37dada667419a25f1283d76e54090ab6">Deriv</a> (const double)</td></tr>
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<tr class="memdesc:a37dada667419a25f1283d76e54090ab6"><td class="mdescLeft"> </td><td class="mdescRight">Computes the first derivative of the identity function. <a href="#a37dada667419a25f1283d76e54090ab6">More...</a><br /></td></tr>
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<tr class="separator:a37dada667419a25f1283d76e54090ab6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4f962c999b964c65a7c6c58a2843bc17"><td class="memTemplParams" colspan="2">template<typename InputVecType , typename OutputVecType > </td></tr>
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<tr class="memitem:a4f962c999b964c65a7c6c58a2843bc17"><td class="memTemplItemLeft" align="right" valign="top">static void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmlpack_1_1ann_1_1IdentityFunction.html#a4f962c999b964c65a7c6c58a2843bc17">Deriv</a> (const InputVecType &y, OutputVecType &x)</td></tr>
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<tr class="memdesc:a4f962c999b964c65a7c6c58a2843bc17"><td class="mdescLeft"> </td><td class="mdescRight">Computes the first derivatives of the identity function. <a href="#a4f962c999b964c65a7c6c58a2843bc17">More...</a><br /></td></tr>
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<tr class="separator:a4f962c999b964c65a7c6c58a2843bc17"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa4cfd89616779092625ade49c1eade6c"><td class="memTemplParams" colspan="2">template<typename eT > </td></tr>
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<tr class="memitem:aa4cfd89616779092625ade49c1eade6c"><td class="memTemplItemLeft" align="right" valign="top">static void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmlpack_1_1ann_1_1IdentityFunction.html#aa4cfd89616779092625ade49c1eade6c">Deriv</a> (const arma::Cube< eT > &y, arma::Cube< eT > &x)</td></tr>
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<tr class="memdesc:aa4cfd89616779092625ade49c1eade6c"><td class="mdescLeft"> </td><td class="mdescRight">Computes the first derivatives of the identity function using a 3rd order tensor as input. <a href="#aa4cfd89616779092625ade49c1eade6c">More...</a><br /></td></tr>
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<tr class="separator:aa4cfd89616779092625ade49c1eade6c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a590c98bbba9f73ef40c966613d7330a8"><td class="memItemLeft" align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classmlpack_1_1ann_1_1IdentityFunction.html#a590c98bbba9f73ef40c966613d7330a8">Fn</a> (const double x)</td></tr>
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<tr class="memdesc:a590c98bbba9f73ef40c966613d7330a8"><td class="mdescLeft"> </td><td class="mdescRight">Computes the identity function. <a href="#a590c98bbba9f73ef40c966613d7330a8">More...</a><br /></td></tr>
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<tr class="separator:a590c98bbba9f73ef40c966613d7330a8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a97d04d2651aa1715914eedd2f130bba4"><td class="memTemplParams" colspan="2">template<typename InputVecType , typename OutputVecType > </td></tr>
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<tr class="memitem:a97d04d2651aa1715914eedd2f130bba4"><td class="memTemplItemLeft" align="right" valign="top">static void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmlpack_1_1ann_1_1IdentityFunction.html#a97d04d2651aa1715914eedd2f130bba4">Fn</a> (const InputVecType &x, OutputVecType &y)</td></tr>
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<tr class="memdesc:a97d04d2651aa1715914eedd2f130bba4"><td class="mdescLeft"> </td><td class="mdescRight">Computes the identity function. <a href="#a97d04d2651aa1715914eedd2f130bba4">More...</a><br /></td></tr>
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<tr class="separator:a97d04d2651aa1715914eedd2f130bba4"><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>The identity function, defined by. </p>
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<p class="formulaDsp">
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<img class="formulaDsp" alt="\begin{eqnarray*} f(x) &=& x \\ f'(x) &=& 1 \end{eqnarray*}" src="form_67.png"/>
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</p>
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<p>Definition at line <a class="el" href="identity__function_8hpp_source.html#l00028">28</a> of file <a class="el" href="identity__function_8hpp_source.html">identity_function.hpp</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">static double mlpack::ann::IdentityFunction::Deriv </td>
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<td>(</td>
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<td class="paramtype">const double </td>
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<td class="paramname"></td><td>)</td>
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<p>Computes the first derivative of the identity function. </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">x</td><td>Input data. </td></tr>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>f'(x) </dd></dl>
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<p>Definition at line <a class="el" href="identity__function_8hpp_source.html#l00060">60</a> of file <a class="el" href="identity__function_8hpp_source.html">identity_function.hpp</a>.</p>
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template<typename InputVecType , typename OutputVecType > </div>
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<td class="memname">static void mlpack::ann::IdentityFunction::Deriv </td>
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<td>(</td>
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<td class="paramtype">const InputVecType & </td>
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<td class="paramname"><em>y</em>, </td>
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<td>)</td>
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<p>Computes the first derivatives of the identity function. </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">y</td><td>Input activations. </td></tr>
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<tr><td class="paramname">x</td><td>The resulting derivatives. </td></tr>
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</dd>
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<p>Definition at line <a class="el" href="identity__function_8hpp_source.html#l00072">72</a> of file <a class="el" href="identity__function_8hpp_source.html">identity_function.hpp</a>.</p>
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<td class="memname">static void mlpack::ann::IdentityFunction::Deriv </td>
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<td>(</td>
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<td class="paramtype">const arma::Cube< eT > & </td>
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<td class="paramname"><em>y</em>, </td>
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<td class="paramname"><em>x</em> </td>
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<td>)</td>
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<p>Computes the first derivatives of the identity function using a 3rd order tensor as input. </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">y</td><td>Input activations. </td></tr>
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<tr><td class="paramname">x</td><td>The resulting derivatives. </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="identity__function_8hpp_source.html#l00085">85</a> of file <a class="el" href="identity__function_8hpp_source.html">identity_function.hpp</a>.</p>
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<td class="memname">static double mlpack::ann::IdentityFunction::Fn </td>
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<td>(</td>
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<td class="paramtype">const double </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<p>Computes the identity function. </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">x</td><td>Input data. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>f(x). </dd></dl>
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<p>Definition at line <a class="el" href="identity__function_8hpp_source.html#l00037">37</a> of file <a class="el" href="identity__function_8hpp_source.html">identity_function.hpp</a>.</p>
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<td class="memname">static void mlpack::ann::IdentityFunction::Fn </td>
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<td>(</td>
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<td class="paramkey"></td>
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<td>)</td>
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<p>Computes the identity function. </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">x</td><td>Input data. </td></tr>
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<tr><td class="paramname">y</td><td>The resulting output activation. </td></tr>
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<p>Definition at line <a class="el" href="identity__function_8hpp_source.html#l00049">49</a> of file <a class="el" href="identity__function_8hpp_source.html">identity_function.hpp</a>.</p>
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</div>
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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/ann/activation_functions/<a class="el" href="identity__function_8hpp_source.html">identity_function.hpp</a></li>
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Generated by  <a href="http://www.doxygen.org/index.html">
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for (i = 0; i < x.length; i++)
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|
{
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|
x[i].width /= 4;
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|
}
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|
</script>
|
|
</html>
|