public static void Test() { Random rand = new Random(); int dim = rand.Next(2, 7); MemorySavingLeastSquare msls = new MemorySavingLeastSquare(dim); double[] ans = Enumerable.Range(0, dim).Select(x => rand.NextDouble() * 200 - 100).ToArray(); List<double[]> leftArr = new List<double[]>(); List<double> rightArr = new List<double>(); for (int k = 0; k < 200; k++) { double[] left = Enumerable.Range(0, dim).Select(x => rand.NextDouble() * 200 - 100).ToArray(); double right = Enumerable.Range(0, dim).Select(i => left[i] * ans[i]).Sum() + rand.NextDouble() * 10 - 5; msls.PutPoint(left, right); leftArr.Add(left); rightArr.Add(right); } double[] ans1 = CvEx.Solve(leftArr, rightArr, InvertMethod.Svd); double[] ans2 = msls.Solve(); System.Windows.MessageBox.Show(string.Join(", ", ans.Select(x => x.ToString("0.00000"))) + "\n" + string.Join(", ", ans1.Select(x => x.ToString("0.00000"))) + "\n" + string.Join(", ", ans2.Select(x => x.ToString("0.00000")))); }
public static void Test() { Random rand = new Random(); int dim = rand.Next(2, 7); MemorySavingLeastSquare msls = new MemorySavingLeastSquare(dim); double[] ans = Enumerable.Range(0, dim).Select(x => rand.NextDouble() * 200 - 100).ToArray(); List <double[]> leftArr = new List <double[]>(); List <double> rightArr = new List <double>(); for (int k = 0; k < 200; k++) { double[] left = Enumerable.Range(0, dim).Select(x => rand.NextDouble() * 200 - 100).ToArray(); double right = Enumerable.Range(0, dim).Select(i => left[i] * ans[i]).Sum() + rand.NextDouble() * 10 - 5; msls.PutPoint(left, right); leftArr.Add(left); rightArr.Add(right); } double[] ans1 = CvEx.Solve(leftArr, rightArr, InvertMethod.Svd); double[] ans2 = msls.Solve(); System.Windows.MessageBox.Show(string.Join(", ", ans.Select(x => x.ToString("0.00000"))) + "\n" + string.Join(", ", ans1.Select(x => x.ToString("0.00000"))) + "\n" + string.Join(", ", ans2.Select(x => x.ToString("0.00000")))); }
private void button1_Click_1(object sender, RoutedEventArgs e) { MemorySavingLeastSquare.Test(); }