fann-get-bit-fail.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.fann-get-bit-fail" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>fann_get_bit_fail</refname>
  <refpurpose>失败位的数量</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>fann_get_bit_fail</methodname>
   <methodparam><type>resource</type><parameter>ann</parameter></methodparam>
  </methodsynopsis>
  <para>
   失败位的数量：意味着输出神经元的数量多于失败位的限度
   (参见 <function>fann_get_bit_fail_limit</function>, <function>fann_set_bit_fail_limit</function>).
   位数将会在所有的训练数据中被计数，因此这个数字将会比训练数据的数量高一点。
  </para>
  <para>
   该值可以被 <function>fann_reset_MSE</function> 函数重置，并且可以被能够更新MSE值的函数更新。(比如 <function>fann_test_data</function>, <function>fann_train_epoch</function>)
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>ann</parameter></term>
    <listitem>
     &fann.ann.description;
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   成功 ，返回失败位的数量，错误则返回 &false; .
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>fann_get_MSE</function></member>
    <member><function>fann_reset_MSE</function></member>
    <member><function>fann_test_data</function></member>
    <member><function>fann_train_epoch</function></member>
    <member><function>fann_get_bit_fail_limit</function></member>
    <member><function>fann_set_bit_fail_limit</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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