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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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<LANGUAGE>fr</LANGUAGE>
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<TYPE>Scilab Function </TYPE>
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<DATE>December 1994 </DATE>
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<SHORT_DESCRIPTION name="calerf"> calcule diff�rentes fonctions d'erreur. </SHORT_DESCRIPTION>
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<PARAM_NAME>x </PARAM_NAME>
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<PARAM_NAME>flag </PARAM_NAME>
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<PARAM_NAME>y </PARAM_NAME>
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: vecteur r�el (de m�me taille que x)
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<VERB>calerf(x,0)</VERB> calcule la fonction erreur :<VERB>erf(x)</VERB>
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<VERB>calerf(x,1)</VERB> calcule la fonction erreur compl�mentaire :<VERB>erfc(x)</VERB>
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<VERB>calerf(x,2)</VERB> calcule la fonction erreur compl�mentaire normalis�e :<VERB>erfcx(x)</VERB>
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deff('y=f(t)','y=exp(-t^2)');
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2/sqrt(%pi)*intg(0,1,f)
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<SEE_ALSO_ITEM><LINK>erf</LINK></SEE_ALSO_ITEM>
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<SEE_ALSO_ITEM><LINK>erfc</LINK></SEE_ALSO_ITEM>
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<SEE_ALSO_ITEM><LINK>calerf</LINK></SEE_ALSO_ITEM>
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<AUTHOR>W. J. Cody (code from Netlib (specfun))</AUTHOR>