fedb6104a4f506eb3d98a3a8de024e66a44b34cd
[scilab.git] / scilab / modules / polynomials / help / fr_FR / derivat.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:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:lang="fr" xml:id="derivat">
3     <refnamediv>
4         <refname>derivat</refname>
5         <refpurpose>dérivée d'une matrice de polynômes  </refpurpose>
6     </refnamediv>
7     <refsynopsisdiv>
8         <title>Séquence d'appel</title>
9         <synopsis>pd=derivat(p)</synopsis>
10     </refsynopsisdiv>
11     <refsection>
12         <title>Paramètres</title>
13         <variablelist>
14             <varlistentry>
15                 <term>p  </term>
16                 <listitem>
17                     <para>polynôme, matrice de polynômes ou de fractions rationnelles
18                     </para>
19                 </listitem>
20             </varlistentry>
21         </variablelist>
22     </refsection>
23     <refsection>
24         <title>Description</title>
25         <para>
26             Calcule la dérivée des polynômes ou fractions rationnelles contenus dans les termes de
27             la matrice p.
28         </para>
29     </refsection>
30     <refsection>
31         <title>Exemples</title>
32         <programlisting role="example"><![CDATA[
33 s=poly(0,'s');
34 derivat(1/s)  // -1/s^2;
35  ]]></programlisting>
36         <programlisting role="example"><![CDATA[
37 p1 = poly([1 -2 1], 'x', 'coeff')
38 derivat(p1)
39  ]]></programlisting>
40         <programlisting role="example"><![CDATA[
41 p2 = poly([1 -4 2], 'y', 'coeff')
42 derivat(p2)
43  ]]></programlisting>
44         <programlisting role="example"><![CDATA[
45 p3 = poly(ones(1, 10), 'z', 'coeff')
46 derivat(p3)
47  ]]></programlisting>
48         <programlisting role="example"><![CDATA[
49 p4 = poly([-1 1], 't', 'roots')
50 derivat(p4)
51  ]]></programlisting>
52         <programlisting role="example"><![CDATA[
53 s = %s; p5 = s^{-1} + 2 + 3*s
54 derivat(p5)
55  ]]></programlisting>
56     </refsection>
57 </refentry>