<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?> 
<!DOCTYPE MAN SYSTEM "../../manrev.dtd">
<MAN>
  <LANGUAGE>fr</LANGUAGE>
  <TITLE>errbar  </TITLE>
  <TYPE>Scilab Function  </TYPE>
  <DATE>April 1993  </DATE>
  <SHORT_DESCRIPTION name="errbar"> ajoute des barres d&apos;erreur sur un dessin 2D  </SHORT_DESCRIPTION>
  <CALLING_SEQUENCE>
  <CALLING_SEQUENCE_ITEM>errbar(x,y,em,ep)  </CALLING_SEQUENCE_ITEM>
  </CALLING_SEQUENCE>
  <PARAM>
 <PARAM_INDENT>
  <PARAM_ITEM>
  <PARAM_NAME>x,y,em,ep  </PARAM_NAME>
  <PARAM_DESCRIPTION>
  <SP>
    : 4 matrices de même taille.
</SP>
  </PARAM_DESCRIPTION> 
  </PARAM_ITEM>
 </PARAM_INDENT>
  </PARAM>
  <DESCRIPTION>
  <P>
    <VERB>errbar</VERB> ajoute des barres d&apos;erreur sur un dessin 2D.
    <VERB>x</VERB> et <VERB>y</VERB> ont la même signification que dans <VERB>plot2d</VERB>.
    <VERB>em(i,j)</VERB> et <VERB>ep(i,j)</VERB> représentent l&apos;intervalle d&apos;erreur autour de la valeur 
    <VERB>y(i,j)</VERB> : <VERB>[y(i,j)-em(i,j),y(i,j)+ep(i,j)]</VERB>.
  </P>
  <P>
    Taper <VERB>errbar()</VERB> pour voir une démonstration de la fonction.
  </P>
  </DESCRIPTION>
  <EXAMPLE><![CDATA[
t=[0:0.1:2*%pi]';
y=[sin(t) cos(t)]; x=[t t];
plot2d(x,y)
errbar(x,y,0.05*ones(x),0.03*ones(x))
 ]]></EXAMPLE>
  <SEE_ALSO>
    <SEE_ALSO_ITEM> <LINK>plot2d</LINK> </SEE_ALSO_ITEM>
  </SEE_ALSO>
  <AUTHOR>J.Ph.C.  </AUTHOR>
</MAN>
