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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) ENPC - Jean-Philippe Chancelier
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
-->
<refentry version="5.0-subset Scilab" xml:id="plot2d1" 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:ns5="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>plot2d1</refname>
<refpurpose>Esboo 2d em escala logartmica (obsoleto)</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Seqncia de Chamamento</title>
<synopsis>plot2d1(str,x,y,[style,strf,leg,rect,nax])</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parmetros</title>
<variablelist>
<varlistentry>
<term>str</term>
<listitem>
<para>string de comprimento 3 <literal>"abc"</literal>.</para>
<variablelist>
<varlistentry>
<term>a</term>
<listitem>
<para>pode ter um dos seguintes valores: <literal>e</literal>,
<literal>o</literal> ou <literal>g</literal>.</para>
<variablelist>
<varlistentry>
<term>e</term>
<listitem>
<para>significa "vazio". Especifica que o valor de
<literal>x</literal> no utilizado (os valores de
<literal>x</literal> so supostos regularmente
espaados, ie 1:<nmero de linhas de
<literal>y</literal>>). De qualquer forma, o usurio
deve fornecer o valor de <literal>x</literal>, 1 por
exemplo: <literal>plot2d1("enn",1,y)</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>o</term>
<listitem>
<para>significa "um". Se h vrias curvas, todas possuem
o mesmo valor x: <literal>x</literal> um vetor coluna
de tamanho n1 e <literal>y</literal> uma matriz de
tamanho(nl,nc). Por exemplo:
<literal>x=[0:0.1:2*%pi]';plot2d1("onn",x,[sin(x)
cos(x)])</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>g</term>
<listitem>
<para>significa"geral". <literal>x</literal> e
<literal>y</literal> devem ter o mesmo tamanho (nl,nc).
Cada coluna de <literal>y</literal> esboada em
relao coluna correspondente de <literal>x</literal>.
<literal>nc</literal> curvas so esboadas utilizando-se
<literal>nl</literal> pontos.</para>
</listitem>
</varlistentry>
</variablelist>
</listitem>
</varlistentry>
<varlistentry>
<term>b, c</term>
<listitem>
<para>pode possuir valores <literal>n</literal> (normal) ou
<literal>l</literal> (logartmico).</para>
<variablelist>
<varlistentry>
<term>b=l</term>
<listitem>
<para>um eixo logartmico utilizado em x </para>
</listitem>
</varlistentry>
<varlistentry>
<term>c=l</term>
<listitem>
<para>um eixo logartmico utilizado em y</para>
</listitem>
</varlistentry>
</variablelist>
</listitem>
</varlistentry>
</variablelist>
</listitem>
</varlistentry>
<varlistentry>
<term>x,y,[style,strf,leg,rect,nax]</term>
<listitem>
<para>estes argumentos possuem o mesmo significado que na funo
<literal>plot2d</literal>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>opt_args</term>
<listitem>
<para>estes argumentos possuem o mesmo significado que na funo
<literal>plot2d</literal>.</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Descrio</title>
<para>Esta funo est obsoleta. Utilize <literal>plot2d</literal> ao
invs.</para>
<para><literal>plot2d1</literal> esboa um conjunto de curvas 2d. o
mesmo que <literal>plot2d</literal> mas com mais um argumento
<literal>str</literal> que habilita escala logartmica. Ainda, permite
especificar apenas um vetor coluna para <literal>x</literal> quando o
mesmo para todas as curvas.</para>
<para>Por padro, esboos sucessivos so superpostos. Para limpar o esboo
anterior, use <literal>clf</literal>.</para>
<para>Entre com o comando <literal>plot2d1()</literal> para visualizar uma
demonstrao.</para>
</refsection>
<refsection>
<title>Exemplos</title>
<programlisting role="example"><![CDATA[
// esboos mltiplos sem fornecer x
x=[0:0.1:2*%pi]';
plot2d1("enn",1,[sin(x) sin(2*x) sin(3*x)])
// esboos mltiplos fornecendo apenas x
clf()
plot2d1("onn",x,[sin(x) sin(2*x) sin(3*x)])
// esboo logartmico
x=[0.1:0.1:3]'; clf()
plot2d1("oll",x,[exp(x) exp(x^2) exp(x^3)])
]]></programlisting>
</refsection>
<refsection>
<title>Ver Tambm</title>
<simplelist type="inline">
<member><link linkend="plot2d">plot2d</link></member>
<member><link linkend="plot2d2">plot2d2</link></member>
<member><link linkend="plot2d3">plot2d3</link></member>
<member><link linkend="plot2d4">plot2d4</link></member>
<member><link linkend="clf">clf</link></member>
</simplelist>
</refsection>
<refsection>
<title>Autor</title>
<para>J.Ph.C.</para>
</refsection>
</refentry>
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