private void SVD_ForListVectorsMassCentered(List <Vector3> pointsSource, bool normalsCovariance)
{
//calculate correlation matrix
Matrix3 C = PointCloud.CovarianceMatrix(pointsSource, normalsCovariance);
SVD_Float.Eigenvalues_Helper(C);
EV = SVD_Float.EV;
VT = SVD_Float.VT;
U = SVD_Float.U;
V = Matrix3.Transpose(VT);
}