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<?xml version="1.0" encoding="ISO-8859-1"?>
<refentry version="5.0-subset Scilab" xml:id="intsplin" 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>intsplin</refname>
<refpurpose>integrao de dados experimentais por interpolao por
spline</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Seqncia de Chamamento</title>
<synopsis>v = intsplin([x,] s)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parmetros</title>
<variablelist>
<varlistentry>
<term>x</term>
<listitem>
<para>vetor de dados de coordenadas x crescentes. O valor padro
<literal>1:size(y,'*')</literal></para>
</listitem>
</varlistentry>
<varlistentry>
<term>s</term>
<listitem>
<para>vetor de dados de coordenadas y </para>
</listitem>
</varlistentry>
<varlistentry>
<term>v</term>
<listitem>
<para>valor da integral</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Descrio</title>
<para>Computa :</para>
<para>Onde f uma funo descrita por um conjunto de valores
experimentais:</para>
<para><literal>s(i)=f(x(i))</literal> e <literal>x0=x(1)</literal>,
<literal>x1=x(n)</literal></para>
<para>Entre os pontos da malha a funo interpolada usando-se
splines.</para>
</refsection>
<refsection>
<title>Exemplos</title>
<programlisting role="example"><![CDATA[
t=0:0.1:%pi
intsplin(t,sin(t))
]]></programlisting>
</refsection>
<refsection>
<title>Ver Tambm</title>
<simplelist type="inline">
<member><link linkend="intg">intg</link></member>
<member><link linkend="integrate">integrate</link></member>
<member><link linkend="inttrap">inttrap</link></member>
<member><link linkend="splin">splin</link></member>
</simplelist>
</refsection>
</refentry>
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