using System; using System.Collections.Generic; using System.Linq; using System.Text; using V = Science.Mathematics.VectorCalculus; namespace VectorCalculus5Ed.Chapter7.Section1 { public class Example01 { public Example01() { } private string result; public string Result { get{return result;} } public void Compute() { Science.Mathematics.Function.ToLastType ff = new Science.Mathematics.Function.ToLastType(func); V.Path c = new V.Path(ff); c.ParameterFrom = 0.0; c.ParameterTo = 2.0 * Math.PI; Science.Mathematics.Function.ToLastType fff = new Science.Mathematics.Function.ToLastType(f); V.PathIntegral obj = new V.PathIntegral(fff, c); obj.Compute(); result += obj.Result.ToString() + "\r\n"; double res = 2.0 * Math.Sqrt(2.0) * Math.PI / 3.0 * (3.0 + 4.0 * Math.PI * Math.PI); result += res.ToString() + "\r\n"; } private double[] func(double t) { double[] x = new double[3]; x[0] = Math.Cos(t); x[1] = Math.Sin(t); x[2] = t; return x; } private double f(double[] x) { return x[0]*x[0]+x[1]*x[1]+x[2]*x[2]; } } } /* 125.817757876791 125.817757876244 */