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<!DOCTYPE MAN SYSTEM "../../manrev.dtd">
<MAN>
  <LANGUAGE>fr</LANGUAGE>
  <TITLE>calerf  </TITLE>
  <TYPE>Scilab Function  </TYPE>
  <DATE>December 1994  </DATE>
  <SHORT_DESCRIPTION name="calerf">  calcule différentes fonctions d&apos;erreur.  </SHORT_DESCRIPTION>
  <PARAM>
 <PARAM_INDENT>
  <PARAM_ITEM>
  <PARAM_NAME>x  </PARAM_NAME>
  <PARAM_DESCRIPTION>
  <SP>
    : vecteur réel
</SP>
  </PARAM_DESCRIPTION> 
  </PARAM_ITEM>
  <PARAM_ITEM>
  <PARAM_NAME>flag  </PARAM_NAME>
  <PARAM_DESCRIPTION>
  <SP>
    : un entier 
</SP>
  </PARAM_DESCRIPTION> 
  </PARAM_ITEM>
  <PARAM_ITEM>
  <PARAM_NAME>y  </PARAM_NAME>
  <PARAM_DESCRIPTION>
  <SP>
    : vecteur réel (de même taille que x)
</SP>
  </PARAM_DESCRIPTION> 
  </PARAM_ITEM>
 </PARAM_INDENT>
  </PARAM>
  <DESCRIPTION>
  <P>
     <VERB>calerf(x,0)</VERB> calcule la fonction erreur :<VERB>erf(x)</VERB>
  </P><P>
     <VERB>calerf(x,1)</VERB> calcule la fonction erreur complémentaire :<VERB>erfc(x)</VERB>
  </P> <P>
     <VERB>calerf(x,2)</VERB> calcule la fonction erreur complémentaire normalisée :<VERB>erfcx(x)</VERB>
  </P>
</DESCRIPTION>
  <EXAMPLE><![CDATA[
deff('y=f(t)','y=exp(-t^2)');
calerf(1,0)
2/sqrt(%pi)*intg(0,1,f)
 ]]></EXAMPLE>
  <SEE_ALSO>
    <SEE_ALSO_ITEM><LINK>erf</LINK></SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM><LINK>erfc</LINK></SEE_ALSO_ITEM>
    <SEE_ALSO_ITEM><LINK>calerf</LINK></SEE_ALSO_ITEM>
  </SEE_ALSO>
<AUTHOR>W. J. Cody (code from Netlib (specfun))</AUTHOR>

</MAN>
