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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><HTML><HEAD><TITLE>fann_set_rprop_decrease_factor</TITLE><link href="../style.css" rel="stylesheet" type="text/css"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINKREL="HOME"TITLE="Fast Artificial Neural Network Library"HREF="index.html"><LINKREL="UP"TITLE="Options"HREF="x938.html"><LINKREL="PREVIOUS"TITLE="fann_get_rprop_decrease_factor"HREF="r1308.html"><LINKREL="NEXT"TITLE="fann_get_rprop_delta_min"HREF="r1341.html"></HEAD><BODYCLASS="refentry"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">Fast Artificial Neural Network Library</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="r1308.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="r1341.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="api.fann_set_rprop_decrease_factor"></A>fann_set_rprop_decrease_factor</H1><DIVCLASS="refnamediv"><ANAME="AEN1324"></A><H2>Name</H2>fann_set_rprop_decrease_factor -- Set the decrease factor used by RPROP training.</DIV><DIVCLASS="refsect1"><ANAME="AEN1327"></A><H2>Description</H2><codeclass="methodsynopsis"> <spanclass="type">void </span>fann_set_rprop_decrease_factor(<spanclass="methodparam"><spanclass="type">struct fann * </span><spanclass="parameter">ann</span></span><spanclass="methodparam">, <spanclass="type">float </span><spanclass="parameter">rprop_decrease_factor</span></span>); </code><P> The increase factor is a value smaller than 1, which is used to decrease the step-size during RPROP training. </P><P> The default value for this parameter is 0.5. </P><P>This function appears in FANN >= 1.2.0.</P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="r1308.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="index.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="r1341.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">fann_get_rprop_decrease_factor</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="x938.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">fann_get_rprop_delta_min</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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