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  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2005-01-09 22:58:21 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20050109225821-473xr8vhgugxxx5j
Tags: 3.0-12
http://bugs.debian.org/255869
changed configure.in to build scilab's own malloc.o, closes: #255869

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man/eng/graphics/eval3dp.xml
 
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<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
 
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<!DOCTYPE MAN SYSTEM "../../manrev.dtd">
 
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<MAN>
 
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  <LANGUAGE>eng</LANGUAGE>
 
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  <TITLE>eval3dp</TITLE>
 
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  <TYPE>Scilab Function</TYPE>
 
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  <DATE>September 1994</DATE>
 
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  <SHORT_DESCRIPTION name="eval3dp"> compute facets of a 3D parametric surface</SHORT_DESCRIPTION>
 
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  <CALLING_SEQUENCE>
 
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    <CALLING_SEQUENCE_ITEM>[Xf,Yf,Zf]=eval3dp(fun,p1,p2)  </CALLING_SEQUENCE_ITEM>
 
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  </CALLING_SEQUENCE>
 
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  <PARAM>
 
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    <PARAM_INDENT>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>Xf,Yf,Zf</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: matrices of size (4,n-1*m-1). <VERB>Xf(:,i)</VERB> ,<VERB>Yf(:,i)</VERB> and <VERB>Zf(:,i)</VERB>  are respectively the x-axis, y-axis and z-axis coordinates of the 4 points of  the ith four sided facet.</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>fun</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: a Scilab function.</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>p1</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: a vector of size <VERB>n</VERB>.</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>p2</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: a vector of size <VERB>m</VERB>.</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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    </PARAM_INDENT>
 
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  </PARAM>
 
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  <DESCRIPTION>
 
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    <P><VERB>eval3dp</VERB> computes a four sided facets representation of a 3D parametric surface 
 
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    defined by the function <VERB>fun</VERB>. <VERB>fun(p1,p2)</VERB> computes the 
 
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    x-axis ,y-axis and z-axis coordinates of the corresponding points on the 
 
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    surface, as [x(i),y(i),z(i)]=fun(p1(i),p2(i)). This is used for efficiency.</P>
 
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  </DESCRIPTION>
 
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  <EXAMPLE>
 
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<![CDATA[
 
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p1=linspace(0,2*%pi,10);
 
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p2=linspace(0,2*%pi,10);
 
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deff("[x,y,z]=scp(p1,p2)",["x=p1.*sin(p1).*cos(p2)";..
 
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                            "y=p1.*cos(p1).*cos(p2)";..
 
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                            "z=p1.*sin(p2)"])
 
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[Xf,Yf,Zf]=eval3dp(scp,p1,p2);
 
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plot3d(Xf,Yf,Zf)
 
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 ]]>
 
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  </EXAMPLE>
 
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  <SEE_ALSO>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>genfac3d</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>plot3d</LINK>
 
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    </SEE_ALSO_ITEM>
 
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  </SEE_ALSO>
 
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</MAN>