public void IntervalTest()
{
double from = -1;
double to = 1;
double stepSize = 0.2;
double[] expected = { -1.0, -0.8, -0.6, -0.4, -0.2, 0.0, 0.2, 0.4, 0.6, 0.8, 1.0 };
double[] actual = Matrix.Interval(from, to, stepSize);
Assert.IsTrue(Matrix.IsEqual(expected, Matrix.Round(actual, 15)));
}