public void SumTest()
{
double[,] value =
{
{ 1, 2, 3, 4 },
{ 5, 6, 7, 8 }
};
double[] expected0 = { 6, 8, 10, 12 };
double[] actual = Matrix.Sum(value, 0);
Assert.IsTrue(expected0.IsEqual(actual));
double[] actual0 = Matrix.Sum(value, 0);
Assert.IsTrue(expected0.IsEqual(actual0));
double[] expected1 = { 10, 26 };
double[] actual1 = Matrix.Sum(value, 1);
Assert.IsTrue(expected1.IsEqual(actual1));
}