using System; using System.Collections.Generic; using System.Linq; using System.Text; using V = Science.Mathematics.VectorCalculus; namespace VectorCalculus5Ed.Chapter7.Section4 { 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.Surface s = new V.Surface(ff); s.Parameter1StartValue = 0.0; s.Parameter1EndValue = 2.0 * Math.PI; s.Parameter2StartValue = 0.0; s.Parameter2EndValue = 1.0; result += s.Area.ToString() + "\r\n"; double res = Math.Sqrt(2.0)*Math.PI; result += res.ToString() + "\r\n"; } private double[] func(double[] u) { double[] x = new double[3]; x[0] = u[1] * Math.Cos(u[0]); x[1] = u[1] * Math.Sin(u[0]); x[2] = u[1]; return x; } } } /* 4.442892864163 4.44288293815837 */