Beispiel #1
0
        static double[][] TimeProblem(ProblemInfo info, IMatrix A, double[] b)
        {
            ISolver      solver = new LOSLU();
            LSlaeBuilder tsb    = new LSlaeBuilder(info);

            double[]   t = info.TimeMesh;
            double[][] Q = new double[info.TimeMesh.Length][];
            Q[0] = new double[A.N];
            for (int i = 0; i < A.N; i++)
            {
                Q[0][i] = 25.0;
            }

            tsb.Layer = new TwoLayer();
            tsb.Layer.SetQ(new double[1][] { Q[0] });
            tsb.Layer.SetT(new double[] { t[0], t[1] });
            tsb.CurrentT = info.TimeMesh[1];
            tsb.Build(A, b);
            Q[1] = solver.Solve(A, b);
            ClearMatrix(A, b);

            tsb.Layer = new ThreeLayer();
            tsb.Layer.SetQ(new double[2][] { Q[0], Q[1] });
            tsb.Layer.SetT(new double[3] {
                t[0], t[1], t[2]
            });
            tsb.CurrentT = t[2];
            tsb.Build(A, b);
            Q[2] = solver.Solve(A, b);
            ClearMatrix(A, b);

            tsb.Layer = new FourLayer();
            tsb.Layer.SetQ(new double[3][] { Q[0], Q[1], Q[2] });
            tsb.Layer.SetT(new double[4] {
                t[0], t[1], t[2], t[3]
            });
            tsb.CurrentT = t[3];
            tsb.Build(A, b);
            Q[3] = solver.Solve(A, b);
            ClearMatrix(A, b);

            for (int i = 4; i < info.TimeMesh.Length; i++)
            {
                tsb.Layer.SetQ(new double[3][] { Q[i - 3], Q[i - 2], Q[i - 1] });
                tsb.Layer.SetT(new double[4] {
                    t[i - 3], t[i - 2], t[i - 1], t[i]
                });
                tsb.CurrentT = t[i];
                tsb.Build(A, b);
                Q[i] = solver.Solve(A, b);
                Console.WriteLine($"Невязка = {solver.Difference:E4}");
                ClearMatrix(A, b);
            }

            return(Q);
        }
Beispiel #2
0
        static void Problem(ProblemInfo info, IMatrix A, double[] b)
        {
            LSlaeBuilder builder = new LSlaeBuilder(info);

            builder.Build(A, b);

            ISolver solver = new LOSLU();

            double[] q = solver.Solve(A, b);
        }