<?xml version="1.0" encoding="UTF-8"?>
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<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="zeros" xml:lang="pt">
    <refnamediv>
        <refname>zeros</refname>
        <refpurpose>matriz feita de zeros</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>Seqüência de Chamamento</title>
        <synopsis>y=zeros()
            y=zeros(x)
            y=zeros(m1,m2,..)
        </synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>Parâmetros</title>
        <variablelist>
            <varlistentry>
                <term>x,y</term>
                <listitem>
                    <para>matrizes</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>m1, m2,..</term>
                <listitem>
                    <para>inteiros</para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>Descrição</title>
        <para>Cria uma matriz de zeros (é o mesmo que
            <literal>0*ones</literal>).
        </para>
        <variablelist>
            <varlistentry>
                <term>zeros(m1,m2)</term>
                <listitem>
                    <para>
                        para uma matriz <literal>(m1,m2)</literal> .
                    </para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>zeros(m1,m2,..,mn)</term>
                <listitem>
                    <para>
                        cria uma matriz <literal>(m1,m2,..,mn)</literal> preenhida com
                        zeros
                    </para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>zeros(A)</term>
                <listitem>
                    <para>para uma matriz de mesmo tamanho que
                        <literal>A</literal>.
                    </para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>zeros(3)</term>
                <listitem>
                    <para>
                        é <literal>zeros(a)</literal> com <literal>a=3</literal> é uma
                        matriz 3x3!
                    </para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>zeros()</term>
                <listitem>
                    <para>retorna um único zero</para>
                </listitem>
            </varlistentry>
        </variablelist>
        <note>
           <literal>repmat(0, sizes)</literal> can be used to generate an array of zeros with
           <literal>sizes=[m1 m2 ..]</literal> given as a vector.
        </note>
        <para>
            Se <literal>x</literal> é uma lista <literal>syslin</literal>
            (sistema linear em forma de espaço de estados ou transferência),
            <literal>zeros(x)</literal> também é válido e retorna uma matriz
            nula.
        </para>
    </refsection>
    <refsection>
        <title>Exemplos</title>
        <programlisting role="example"><![CDATA[
zeros(3)
zeros(3,3)
zeros(2,3,2)

repmat(0, [2 4 2])
 ]]></programlisting>
    </refsection>
    <refsection role="see also">
        <title>Ver Também</title>
        <simplelist type="inline">
            <member>
                <link linkend="eye">eye</link>
            </member>
            <member>
                <link linkend="ones">ones</link>
            </member>
            <member>
                <link linkend="spzeros">spzeros</link>
            </member>
            <member>
                <link linkend="signed_zero">-0</link>
            </member>
        </simplelist>
    </refsection>
</refentry>
