stats-dens-weibull.xml

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<refentry xml:id="function.stats-dens-weibull" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>stats_dens_weibull</refname>
  <refpurpose>Probability density function of the Weibull distribution</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>float</type><methodname>stats_dens_weibull</methodname>
   <methodparam><type>float</type><parameter>x</parameter></methodparam>
   <methodparam><type>float</type><parameter>a</parameter></methodparam>
   <methodparam><type>float</type><parameter>b</parameter></methodparam>
  </methodsynopsis>
  <para>
   Returns the probability density at <parameter>x</parameter>, where the
   random variable follows the Weibull distribution of which the shape parameter
   is <parameter>a</parameter> and the scale parameter is <parameter>b</parameter>.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>x</parameter></term>
     <listitem>
      <para>
       The value at which the probability density is calculated
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>a</parameter></term>
     <listitem>
      <para>
       The shape parameter of the distribution
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>b</parameter></term>
     <listitem>
      <para>
       The scale parameter of the distribution
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   The probability density at <parameter>x</parameter> or &false; for failure.
  </para>
 </refsect1>

 <!-- Use when ERRORS exist
 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   When does this function throw E_* level errors, or exceptions?
  </para>
 </refsect1>
 -->


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 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>Enter the PHP version of change here</entry>
       <entry>Description of change</entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>
 -->


 <!-- Use when examples exist
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>stats_dens_weibull</function> example</title>
    <para>
     Any text that describes the purpose of the example, or
     what goes on in the example should go here (inside the
     <example> tag, not out
    </para>
    <programlisting role="php">
<![CDATA[
<?php
if ($anexample === true) {
    echo 'Use the PEAR Coding Standards';
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Use the PEAR Coding Standards
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 -->


 <!-- Use when adding See Also links
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function></function></member>
    <member>Or <link linkend="somethingelse">something else</link></member>
   </simplelist>
  </para>
 </refsect1>
 -->


</refentry>

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