Revert "* Bug #13839 fixed - sign() could not be used with sparse matrices * sign...
[scilab.git] / scilab / modules / elementary_functions / help / fr_FR / sign.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns5="http://www.w3.org/1999/xhtml" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:id="sign" xml:lang="fr">
3     <refnamediv>
4         <refname>sign</refname>
5         <refpurpose>fonction signe</refpurpose>
6     </refnamediv>
7     <refsection>
8         <title>Description</title>
9         <para>
10             <literal>X=sign(A)</literal> renvoie la matrice contenant les signes
11             de termes <literal>A(i,j)</literal>. Pour les matrices complexes,
12             <literal>sign(A) = A./abs(A)</literal>.
13         </para>
14     </refsection>
15     <refsection>
16         <title>Exemples</title>
17         <programlisting role="example"><![CDATA[ 
18 sign(rand(2,3))
19 sign(1+%i)
20  ]]></programlisting>
21     </refsection>
22     <refsection role="see also">
23         <title>Voir aussi</title>
24         <simplelist type="inline">
25             <member>
26                 <link linkend="abs">abs</link>
27             </member>
28         </simplelist>
29     </refsection>
30 </refentry>