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package org.apache.commons.math.analysis;
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public class QuinticFunction implements DifferentiableUnivariateRealFunction {
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* @see org.apache.commons.math.UnivariateRealFunction#value(double)
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return (x-1)*(x-0.5)*x*(x+0.5)*(x+1);
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public UnivariateRealFunction derivative() {
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return new UnivariateRealFunction() {
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return (5*x*x-3.75)*x*x+0.25;