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"))));
}