<!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>Returns the initial step-size</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.fann-get-rprop-delta-min.html">fann_get_rprop_delta_min</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.fann-get-rprop-increase-factor.html">fann_get_rprop_increase_factor</a></div> <div class="up"><a href="ref.fann.html">Fann Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.fann-get-rprop-delta-zero" class="refentry"> <div class="refnamediv"> <h1 class="refname">fann_get_rprop_delta_zero</h1> <p class="verinfo">(PECL fann >= 1.0.0)</p><p class="refpurpose"><span class="refname">fann_get_rprop_delta_zero</span> — <span class="dc-title">Returns the initial step-size</span></p> </div> <div class="refsect1 description" id="refsect1-function.fann-get-rprop-delta-zero-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><span class="type ReturnType">ReturnType</span></span> <span class="methodname"><strong>fann_get_rprop_delta_zero</strong></span> ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$ann</code></span> )</div> <p class="para rdfs-comment"> The initial step-size is a positive number determining the initial step size. </p> <p class="para"> The default delta zero is 0.1. </p> </div> <div class="refsect1 parameters" id="refsect1-function.fann-get-rprop-delta-zero-parameters"> <h3 class="title">Parameters</h3> <dl> <dt> <span class="term"><em><code class="parameter">ann</code></em></span> <dd> <p class="para">Neural network <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>.</p> </dd> </dt> </dl> </div> <div class="refsect1 returnvalues" id="refsect1-function.fann-get-rprop-delta-zero-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The initial step-size, or <strong><code>FALSE</code></strong> on error. </p> </div> <div class="refsect1 seealso" id="refsect1-function.fann-get-rprop-delta-zero-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.fann-set-rprop-delta-zero.html" class="function" rel="rdfs-seeAlso">fann_set_rprop_delta_zero()</a> - Sets the initial step-size</span></li> <li class="member"> <span class="function"><a href="function.fann-get-rprop-delta-min.html" class="function" rel="rdfs-seeAlso">fann_get_rprop_delta_min()</a> - Returns the minimum step-size</span></li> <li class="member"> <span class="function"><a href="function.fann-get-rprop-delta-max.html" class="function" rel="rdfs-seeAlso">fann_get_rprop_delta_max()</a> - Returns the maximum step-size</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.fann-get-rprop-delta-min.html">fann_get_rprop_delta_min</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.fann-get-rprop-increase-factor.html">fann_get_rprop_increase_factor</a></div> <div class="up"><a href="ref.fann.html">Fann Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>