<?xml version="1.0" encoding="UTF-8"?>
<osil xmlns="os.optimizationservices.org" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="os.optimizationservices.org http://www.optimizationservices.org/schemas/2.0/OSiL.xsd">
	<instanceHeader>
		<name>Original Rosenbrock</name>
		<source>Computing Journal 3:175-184, 1960</source>
		<description>Unconstrained Rosenbrock problem
			 local optimum at x0 = 0.87243, x1 = 0.741417, with objective
			value 6.72791 </description>
	</instanceHeader>
	<instanceData>
		<variables numberOfVariables="2">
			<var lb="0" name="x0" type="I"/>
			<var lb="0" name="x1" type="I"/>
		</variables>
		<objectives numberOfObjectives=" 1">
			<obj maxOrMin="min" name="minCost" numberOfObjCoef="0"/>
		</objectives>

		<nonlinearExpressions numberOfNonlinearExpressions="1">
			<nl idx="-1">
				<plus> 
					<power>
						<minus>
							<number type="real" value="1.0 "/>
							<variable coef="1.0" idx="0"/>
						</minus>
						<number type="real"  value="2.0"/>
					</power>
					<times>
						<number type="real" value="100"/>
						<power>
							<minus>
								<variable coef="1.0" idx="1"/>
								<power>
									<variable  coef="1.0" idx="0"/>
									<number type="real" value="2.0"/>    
								</power>
							</minus>
							<number type="real" value="2.0"/>
						</power>
					</times>
				</plus>
			</nl   >
		</nonlinearExpressions>

	</instanceData>
</osil>