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<?xml version="1.0" encoding="ISO-8859-1"?>
<refentry version="5.0-subset Scilab" xml:id="interpln" 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>interpln</refname>
<refpurpose>interpolao linear</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Seqncia de Chamamento</title>
<synopsis>[y]=interpln(xyd,x)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parmetros</title>
<variablelist>
<varlistentry>
<term>xyd</term>
<listitem>
<para>matriz de duas linhas (coordenadas xy dos pontos) </para>
</listitem>
</varlistentry>
<varlistentry>
<term>x</term>
<listitem>
<para>vetor (de abscissas) </para>
</listitem>
</varlistentry>
<varlistentry>
<term>y</term>
<listitem>
<para>vetor (de ordenadas)</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Descrio</title>
<para>Dado <literal>xyd</literal> um conjunto de pontos no plano xy de
abscissas crescentes e <literal>x</literal> aum conjunto de abscissas,
esta funo computa <literal>y</literal> , os valores correspondentes s
ordenadas, por interpolao linear.</para>
</refsection>
<refsection>
<title>Exemplos </title>
<programlisting role="example"><![CDATA[
x=[1 10 20 30 40];
y=[1 30 -10 20 40];
plot2d(x',y',[-3],"011"," ",[-10,-40,50,50]);
yi=interpln([x;y],-4:45);
plot2d((-4:45)',yi',[3],"000");
]]></programlisting>
</refsection>
<refsection>
<title>Ver Tambm</title>
<simplelist type="inline">
<member><link linkend="splin">splin</link></member>
<member><link linkend="interp">interp</link></member>
<member><link linkend="smooth">smooth</link></member>
</simplelist>
</refsection>
</refentry>
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