fann-read-train-from-file.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.fann-read-train-from-file" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>fann_read_train_from_file</refname>
  <refpurpose>读取存储训练数据的文件。</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>resource</type><methodname>fann_read_train_from_file</methodname>
   <methodparam><type>string</type><parameter>filename</parameter></methodparam>
  </methodsynopsis>
  <para>
   读取存储训练数据的文件。
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>filename</parameter></term>
    <listitem>
     <para>
      输入文件的格式如下:
     </para>
     <programlisting role="txt">
<![CDATA[
num_train_data num_input num_output
inputdata separated by space
outputdata separated by space

.
.
.

inputdata separated by space
outputdata separated by space
]]>
     </programlisting>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  &fann.return.train;
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><methodname>fann_read_train_from_file</methodname> 函数的使用范例：</title>
    <programlisting role="php">
<![CDATA[
<?php
$train_data = fann_read_train_from_file("xor.data");
if ($train_data) {
    // Do something with $train_data for XOR function
}
?>
]]>
    </programlisting>
    <para>xor.data 文件的内容：</para>
    <programlisting role="txt">
<![CDATA[
4 2 1
-1 -1
-1
-1 1
1
1 -1
1
1 1
-1
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>fann_train_on_data</function></member>
    <member><function>fann_destroy_train</function></member>
    <member><function>fann_save_train</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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