using System; using System.Collections.Generic; using System.Linq; using System.Text; using L = Science.Mathematics.LinearAlgebra; namespace Strang3Ed.Chapter02.Section5 { public class Example05 { public Example05() { } private string result; public string Result { get { return result; } } public void Compute() { double[,] x = {{1.0,0.0,0.0}, {3.0,1.0,0.0}, {4.0,5.0,1.0}}; L.Matrix A = new L.Matrix(x); L.FactorizationEAeqR obj = new L.FactorizationEAeqR(A); obj.Compute(); L.Matrix R = obj.ReducedRowEchelonForm; result += R.ToString(); L.Matrix E = obj.Elimination; result += E.ToString(); L.Matrix P = E * A; result += P.ToString(); } } } /* 1 0 0 4.44089209850063E-16 1 0 -1.77635683940025E-15 -1.77635683940025E-15 1 1 0 0 -3 1 0 11 -5 1 1 0 0 4.44089209850063E-16 1 0 -1.77635683940025E-15 -1.77635683940025E-15 1 */