public void TestNorm()
{
var m1 = new VectorD(1.0, 2.0, 3.0, 4.0).ToMatrix(2, 2);
var normO = m1.Norm(MatrixNormType.O);
Assert.AreEqual<double>(7.0, normO);
var normI = m1.Norm(MatrixNormType.I);
Assert.AreEqual<double>(6.0, normI);
var normF = Math.Round(m1.Norm(MatrixNormType.F), 6);
Assert.AreEqual<double>(5.477226, normF);
var normM = m1.Norm(MatrixNormType.M);
Assert.AreEqual<double>(4.0, normM);
}