using System; using System.Collections.Generic; using System.Linq; using System.Text; using V = Science.Mathematics.VectorCalculus; namespace VectorCalculus5Ed.Chapter5.Section1 { public class Example03 { public Example03() { } private string result; public string Result { get{return result;} } public void Compute() { Science.Mathematics.Function.ToLastType f = new Science.Mathematics.Function.ToLastType(func); double[] from = { -1.0, 0.0 }; double[] to = { 1.0, 1.0 }; V.IntegrationMultiD obj = new V.IntegrationMultiD(f, from, to); obj.Compute(); result += obj.BestEstimation.ToString() + "\r\n"; obj.NumberOfCall = 10000000; obj.Compute(); result += obj.BestEstimation.ToString() + "\r\n"; } private double func(double[] x) { return x[0]*x[0] + x[1]*x[1]; } } } /* 1.33331886498752 1.33333329694031 */