<?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>Modified Rosenbrock</name>
		<source>Computing Journal 3:175-184, 1960</source>
		<description>Rosenbrock problem with constraints. 
			 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="C"/>
			<var lb="0" name="x1" type="C"/>
		</variables>
		<objectives numberOfObjectives=" 1">
			<obj maxOrMin="min" name="minCost" numberOfObjCoef="1">
				<coef idx="1">9.0</coef>
			</obj>
		</objectives>
		<constraints numberOfConstraints="2">
			<con ub="25.0"/>
			<con lb="10.0"/>
		</constraints>
		<linearConstraintCoefficients numberOfValues="3">
			<start>
				<el>0</el><el>2</el><el>3</el>
			</start>
			<rowIdx>
				<el>0</el>
				<el>1</el>
				<el>1</el>
			</rowIdx>
			<value>
				<el>1.0</el>
				<el>7.5</el>
				<el>5.25</el>
			</value>
		</linearConstraintCoefficients>
		<quadraticCoefficients numberOfQuadraticTerms="3">
			<qTerm idx="0"  idxOne="0" idxTwo="0"  coef="10.5" />
			<qTerm idx="0"  idxOne="1" idxTwo="1"  coef="11.7"/>
			<qTerm idx="0"  idxOne="0" idxTwo="1"  coef="3"/>
		</quadraticCoefficients>

		<nonlinearExpressions numberOfNonlinearExpressions="2">
			<nl idx="1"> 
				<ln>
					
					<times>
						<variable coef="1.0" idx="0"/>
						<variable coef="1.0" idx="1"/>
					</times>

				</ln>
			</nl>
		</nonlinearExpressions>
		<postfixData>
			<values numberOfValue="5">
				1.0,2.0,100.0,2.0,2.0	
			</values>
			<operators numberOfOperators="25">
				NUM, 0, VAR, 0, MINUS, NUM, 1, POW, NUM, 2, VAR, 1,
				VAR, 0, NUM, 3, POW, VAR, 1, MINUS, NUM, 4, POW, TIMES, PLUS
			</operators>
			<starts>
				0,0,0,25
			</starts>
		</postfixData>

	</instanceData>
</osil>