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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>返回 RPROP 训练的递增系数</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.fann-get-rprop-increase-factor" class="refentry">
<div class="refnamediv">
<h1 class="refname">fann_get_rprop_increase_factor</h1>
<p class="verinfo">(PECL fann &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">fann_get_rprop_increase_factor</span> &mdash; <span class="dc-title">返回 RPROP 训练的递增系数</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.fann-get-rprop-increase-factor-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>fann_get_rprop_increase_factor</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$ann</code></span>
) : <span class="type">float</span></div>
<p class="para rdfs-comment">
递增系数是一个大于1的值，用于递增 RPROP 训练中的步长。
</p>
<p class="para">
默认的递进系数是 1.2
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.fann-get-rprop-increase-factor-parameters">
<h3 class="title">参数</h3>
<dl>
<dt>
<code class="parameter">ann</code></dt>
<dd>
<p class="para">Neural network <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>.</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.fann-get-rprop-increase-factor-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
成功，返回递进系数，错误则返回 <strong><code>FALSE</code></strong> .
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.fann-get-rprop-increase-factor-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="fann_set_rprop_increase_factor.html" class="function" rel="rdfs-seeAlso">fann_set_rprop_increase_factor()</a> - 使用 RPROP 算法训练时，设置增长因子</span></li>
</ul>
</p>
</div>
</div></div></div></body></html>