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<?xml version="1.0" encoding="ISO-8859-1"?><refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" version="5.0-subset Scilab" xml:lang="fr" xml:id="subf"><info><pubdate>$LastChangedDate$</pubdate></info><refnamediv><refname>subf</refname><refpurpose>  soustraction symbolique  </refpurpose></refnamediv>
  
  
  
  
  
  <refsynopsisdiv><title>Séquence d'appel</title><synopsis>["c"]=subf("a","b")</synopsis></refsynopsisdiv>
  <refsection><title>Paramètres</title>
 <variablelist>
  <varlistentry>
  <term>"a","b","c"  </term>
  <listitem>
  <para>strings
</para>
  </listitem> 
  </varlistentry>
 </variablelist>
  </refsection>
  <refsection><title>Description</title>
  <para>
    Renvoie la chaîne de caractères  <literal>c</literal>=<literal>"a-b"</literal>.
    Des simplifications triviales du type <literal>subf("0","a")</literal> et
    <literal>subf("1","2")</literal> sont effectuées.
  </para>
  </refsection>
  <refsection><title>Exemples</title><programlisting role="example"><![CDATA[
subf('0','a')
subf('2','1')
subf('a','0')
 ]]></programlisting></refsection>
  <refsection><title>Voir Aussi</title><simplelist type="inline">
    <member> <link linkend="mulf">mulf</link> </member>     <member> <link linkend="ldivf">ldivf</link> </member>     <member> <link linkend="rdivf">rdivf</link> </member>     <member> <link linkend="eval">eval</link> </member>     <member> <link linkend="evstr">evstr</link> </member>
  </simplelist></refsection>
</refentry>