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69 lines
2.4 KiB
HTML
69 lines
2.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>返回权重因子</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.fann-get-cascade-weight-multiplier" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">fann_get_cascade_weight_multiplier</h1>
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<p class="verinfo">(PECL fann >= 1.0.0)</p><p class="refpurpose"><span class="refname">fann_get_cascade_weight_multiplier</span> — <span class="dc-title">返回权重因子</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.fann-get-cascade-weight-multiplier-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>fann_get_cascade_weight_multiplier</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$ann</code></span>
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) : <span class="type">float</span></div>
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<p class="para rdfs-comment">
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权重因子是用于在添加神经元到神经网络之前，和候选神经元权重相乘的参数。该参数的值通常介于0到1之间，用来使训练变得不那么积极。
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</p>
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<p class="para">
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默认权重因子是 0.4.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.fann-get-cascade-weight-multiplier-parameters">
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<h3 class="title">参数</h3>
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<dl>
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<dt>
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<code class="parameter">ann</code></dt>
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<dd>
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<p class="para">Neural network <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>.</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.fann-get-cascade-weight-multiplier-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功，返回权重因子，错误则返回 <strong><code>FALSE</code></strong> .
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.fann-get-cascade-weight-multiplier-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="fann_set_cascade_weight_multiplier.html" class="function" rel="rdfs-seeAlso">fann_set_cascade_weight_multiplier()</a> - 设置权重因子</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |