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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_get_quickprop_decay</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_train_error_function"HREF="r1191.html"><LINKREL="NEXT"TITLE="fann_set_quickprop_decay"HREF="r1224.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="r1191.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="r1224.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="api.fann_get_quickprop_decay"></A>fann_get_quickprop_decay</H1><DIVCLASS="refnamediv"><ANAME="AEN1210"></A><H2>Name</H2>fann_get_quickprop_decay -- Get the decay parameter used by the quickprop training.</DIV><DIVCLASS="refsect1"><ANAME="AEN1213"></A><H2>Description</H2><codeclass="methodsynopsis"> <spanclass="type">float </span>fann_get_quickprop_decay(<spanclass="methodparam"><spanclass="type">struct fann * </span><spanclass="parameter">ann</span></span>); </code><P> The decay is a small negative valued number which is the factor that the weights should become smaller in each iteration. This is used to make sure that the weights do not become too high during training. </P><P> The default value for this parameter is -0.0001. </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="r1191.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="r1224.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">fann_get_train_error_function</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="x938.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">fann_set_quickprop_decay</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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