HTTP/1.0 200 OK
Date: Fri, 31 Dec 1999 23:59:59 GMT
Server: Mon-putain-de-serveur/1.0
Content-Type: text/xml
#FIXME Content-Length: 59
Last-modified: Fri, 09 Aug 1996 14:21:40 GMT

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<probleme
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:noNamespaceSchemaLocation="resources/problem.xsd"
  id="8">
	<nom_probleme>Problème pour tester Rosenbrock</nom_probleme>
	<fonction>
		<dimension>2</dimension>
		<representation-textuelle>f(x,y)=(1-x)^{2}+100*(y-x^{2})^{2}</representation-textuelle>
	</fonction>
	<solution>
		<point>1</point>
		<point>1</point>
	</solution>
	<contraintes>
		<contrainte-egalite>
			<representation-textuelle> -100 &lt; x &lt; 100 </representation-textuelle>
		</contrainte-egalite>
		<contrainte-egalite>
			<representation-textuelle> -100 &lt; y &lt; 100 </representation-textuelle>
		</contrainte-egalite>
	</contraintes>
	<derivees>
		<derivee ordre="1">
			<representation-textuelle> \frac{df(x,y)}{dx} = -2 * ( 1 - x ) - 400 * x * ( y - x^{2} ) ; \frac{df(x,y)}{dy} = 200 * ( y - x^{2} ) </representation-textuelle>
		</derivee>
	</derivees>
</probleme>