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    <link rel="up" title="Poolings" href="poolings_index.html" />
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  <div class="section" id="basepoolingtype">
<h1>BasePoolingType<a class="headerlink" href="#basepoolingtype" title="Permalink to this headline"></a></h1>
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<dl class="class">
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<dt>
<em class="property">class </em><code class="descclassname">paddle.trainer_config_helpers.poolings.</code><code class="descname">BasePoolingType</code><span class="sig-paren">(</span><em>name</em><span class="sig-paren">)</span></dt>
<dd><p>Base Pooling Type.
Note these pooling types are used for sequence input, not for images.
Each PoolingType contains one parameter:</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>name</strong> (<em>basestring</em>) &#8211; pooling layer type name used by paddle.</td>
</tr>
</tbody>
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</dd></dl>
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</div>
<div class="section" id="avgpooling">
<h1>AvgPooling<a class="headerlink" href="#avgpooling" title="Permalink to this headline"></a></h1>
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<dt>
<em class="property">class </em><code class="descclassname">paddle.trainer_config_helpers.poolings.</code><code class="descname">AvgPooling</code><span class="sig-paren">(</span><em>strategy='average'</em><span class="sig-paren">)</span></dt>
<dd><p>Average pooling.</p>
<p>Return the average values for each dimension in sequence or time steps.</p>
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<div class="math">
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\[sum(samples\_of\_a\_sequence)/sample\_num\]</div>
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</dd></dl>
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</div>
<div class="section" id="maxpooling">
<h1>MaxPooling<a class="headerlink" href="#maxpooling" title="Permalink to this headline"></a></h1>
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<dt>
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<em class="property">class </em><code class="descclassname">paddle.trainer_config_helpers.poolings.</code><code class="descname">MaxPooling</code><span class="sig-paren">(</span><em>output_max_index=None</em><span class="sig-paren">)</span></dt>
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<dd><p>Max pooling.</p>
<p>Return the very large values for each dimension in sequence or time steps.</p>
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\[max(samples\_of\_a\_sequence)\]</div>
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<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>output_max_index</strong> (<em>bool|None</em>) &#8211; True if output sequence max index instead of max
value. None means use default value in proto.</td>
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</dd></dl>
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</div>
<div class="section" id="sumpooling">
<h1>SumPooling<a class="headerlink" href="#sumpooling" title="Permalink to this headline"></a></h1>
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<dt>
<em class="property">class </em><code class="descclassname">paddle.trainer_config_helpers.poolings.</code><code class="descname">SumPooling</code></dt>
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<dd><p>Sum pooling.</p>
<p>Return the sum values of each dimension in sequence or time steps.</p>
<div class="math">
\[sum(samples\_of\_a\_sequence)\]</div>
</dd></dl>
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</div>
<div class="section" id="squarerootnpooling">
<h1>SquareRootNPooling<a class="headerlink" href="#squarerootnpooling" title="Permalink to this headline"></a></h1>
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<dt>
<em class="property">class </em><code class="descclassname">paddle.trainer_config_helpers.poolings.</code><code class="descname">SquareRootNPooling</code></dt>
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<dd><p>Square Root Pooling.</p>
<p>Return the square root values of each dimension in sequence or time steps.</p>
<div class="math">
\[sum(samples\_of\_a\_sequence)/sqrt(sample\_num)\]</div>
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  <h3><a href="../../../index.html">Table Of Contents</a></h3>
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<li><a class="reference internal" href="#">BasePoolingType</a></li>
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<li><a class="reference internal" href="#maxpooling">MaxPooling</a></li>
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<li><a class="reference internal" href="#squarerootnpooling">SquareRootNPooling</a></li>
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