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<?xml version="1.0" encoding="ISO-8859-1"?>
<refentry version="5.0-subset Scilab" xml:id="equal" xml:lang="en"
xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:ns3="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:db="http://docbook.org/ns/docbook">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>equal</refname>
<refpurpose>(=) atribuio ou comparao, sinal de igualdade</refpurpose>
</refnamediv>
<refsection>
<title>Descrio</title>
<variablelist>
<varlistentry>
<term>Atribuio:</term>
<listitem>
<para>o sinal de igualdade ( = ) usado para denotar a atribuio
de valor(es) a varivel(eis). A sintaxe pode ser :</para>
<itemizedlist>
<listitem>
<para><literal>a=expr</literal> onde <literal>a</literal> um
nome de varivel e <literal>expr</literal> uma expresso do
Scilab cuja avaliao conduz a um nico resultado. </para>
</listitem>
<listitem>
<para><literal>[a,b,...]=expr</literal> onde
<literal>a</literal>,<literal>b</literal>,<literal>...</literal>
so nomes de variveis e <literal>expr</literal> uma expresso
do Scilab cuja avaliao conduz a tantos resultados quanto o
nmero de variveis dadas.</para>
</listitem>
</itemizedlist>
</listitem>
</varlistentry>
<varlistentry>
<term>Comparao:</term>
<listitem>
<para>o sinal de igualdade ( = ) tambm usado em operadores de
comparao:</para>
<itemizedlist>
<listitem>
<para><literal>a==b</literal>, denota comparao de igualdade
entre os valores das expresses <literal> a</literal> e
<literal>b</literal>.</para>
</listitem>
<listitem>
<para><literal>a~=b</literal>, denota comparao de desigualdade
entre os valores das expresses <literal>a</literal> e <literal>
b</literal>:</para>
</listitem>
<listitem>
<para><literal>a<=b</literal> e <literal>a>=b</literal>
denotam comparaes de ordem entre os valores de <literal>
a</literal> e <literal> b</literal>:</para>
</listitem>
</itemizedlist>
<para>Ver <link linkend="comparison">comparison</link> para detalhes
semnticos.</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Exemplos</title>
<programlisting role="example"><![CDATA[
a = sin(3.2)
M = [2.1,3.3,8.5;7.6,6.7,6.9;0,6.3,8.8];
[u,s] = schur(M)
[1:10] == 4
1~=2
]]></programlisting>
</refsection>
<refsection>
<title>Ver Tambm</title>
<simplelist type="inline">
<member><link linkend="less">less</link></member>
<member><link linkend="great">great</link></member>
<member><link linkend="boolean">boolean</link></member>
<member><link linkend="isequal">isequal</link></member>
<member><link linkend="comparison">comparison</link></member>
</simplelist>
</refsection>
</refentry>
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