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">
4 <refname>derivat</refname>
5 <refpurpose>dérivée d'une matrice de polynômes </refpurpose>
8 <title>Séquence d'appel</title>
9 <synopsis>pd=derivat(p)</synopsis>
12 <title>Paramètres</title>
17 <para>polynôme, matrice de polynômes ou de fractions rationnelles
24 <title>Description</title>
26 Calcule la dérivée des polynômes ou fractions rationnelles contenus dans les termes de
31 <title>Exemples</title>
32 <programlisting role="example"><![CDATA[
34 derivat(1/s) // -1/s^2;
36 <programlisting role="example"><![CDATA[
37 p1 = poly([1 -2 1], 'x', 'coeff')
40 <programlisting role="example"><![CDATA[
41 p2 = poly([1 -4 2], 'y', 'coeff')
44 <programlisting role="example"><![CDATA[
45 p3 = poly(ones(1, 10), 'z', 'coeff')
48 <programlisting role="example"><![CDATA[
49 p4 = poly([-1 1], 't', 'roots')
52 <programlisting role="example"><![CDATA[
53 s = %s; p5 = s^{-1} + 2 + 3*s