public void IsZero()
{
double[] matrixData = { 1.0, 2.0, 3.0, 4.0 };
Matrix matrix = Matrix.CreateColumnMatrix(matrixData);
Assert.IsFalse(matrix.IsZero());
double[] matrixData2 = { 0.0, 0.0, 0.0, 0.0 };
Matrix matrix2 = Matrix.CreateColumnMatrix(matrixData2);
Assert.IsTrue(matrix2.IsZero());
}