public void CombineTest1()
{
double[][] vectors = new double[][]
{
new double[] { 0, 1, 2 },
new double[] { 3, 4, },
new double[] { 5, 6, 7, 8, 9},
};
double[] expected = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var actual = Matrix.Concatenate(vectors);
Assert.IsTrue(Matrix.IsEqual(expected, actual));
}