1 <?xml version="1.0" encoding="ISO-8859-1"?>
3 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
4 * Copyright (C) 2006-2008 - INRIA
6 * Copyright (C) 2012 - 2016 - Scilab Enterprises
8 * This file is hereby licensed under the terms of the GNU GPL v2.0,
9 * pursuant to article 5.3.4 of the CeCILL v.2.1.
10 * This file was originally licensed under the terms of the CeCILL v2.1,
11 * and continues to be available under such terms.
12 * For more information, see the COPYING file which you should have received
13 * along with this program.
16 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns4="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="derivat" xml:lang="pt">
18 <refname>derivat</refname>
19 <refpurpose>derivada de matriz de razões de polinômios</refpurpose>
22 <title> Seqüência de Chamamento </title>
23 <synopsis>pd=derivat(p)</synopsis>
26 <title>Parâmetros</title>
31 <para>matriz de polinômios ou de razões de polinômios</para>
37 <title>Descrição</title>
38 <para>Computa a derivada da matriz de polinômios ou de funções racionais
39 em relação à variável livre.
43 <title>Exemplos</title>
44 <programlisting role="example"><![CDATA[
46 derivat(1/s) // -1/s^2;
48 <programlisting role="example"><![CDATA[
49 p1 = poly([1 -2 1], 'x', 'coeff')
52 <programlisting role="example"><![CDATA[
53 p2 = poly([1 -4 2], 'y', 'coeff')
56 <programlisting role="example"><![CDATA[
57 p3 = poly(ones(1, 10), 'z', 'coeff')
60 <programlisting role="example"><![CDATA[
61 p4 = poly([-1 1], 't', 'roots')
64 <programlisting role="example"><![CDATA[
65 s = %s; p5 = s^(-1) + 2 + 3*s