<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML ><HEAD ><TITLE >fann_set_quickprop_mu</TITLE ><link href="../style.css" rel="stylesheet" type="text/css"><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Fast Artificial Neural Network Library" HREF="index.html"><LINK REL="UP" TITLE="Options" HREF="x938.html"><LINK REL="PREVIOUS" TITLE="fann_get_quickprop_mu" HREF="r1242.html"><LINK REL="NEXT" TITLE="fann_get_rprop_increase_factor" HREF="r1275.html"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Fast Artificial Neural Network Library</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="r1242.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="r1275.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="api.fann_set_quickprop_mu" ></A >fann_set_quickprop_mu</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN1258" ></A ><H2 >Name</H2 >fann_set_quickprop_mu -- Set the mu factor used by quickprop training.</DIV ><DIV CLASS="refsect1" ><A NAME="AEN1261" ></A ><H2 >Description</H2 ><code class="methodsynopsis" > <span class="type" >void </span >fann_set_quickprop_mu(<span class="methodparam" ><span class="type" >struct fann * </span ><span class="parameter" >ann</span ></span ><span class="methodparam" >, <span class="type" >float </span ><span class="parameter" >quickprop_mu</span ></span >); </code ><P > The mu factor is used to increase and decrease the step-size during quickprop training. The mu factor should always be above 1, since it would otherwise decrease the step-size when it was suppose to increase it. </P ><P > The default value for this parameter is 1.75. </P ><P >This function appears in FANN >= 1.2.0.</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="r1242.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="r1275.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >fann_get_quickprop_mu</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="x938.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >fann_get_rprop_increase_factor</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
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