implement the qr decomposition with and without column pivoting, along with the solve/reconstruct/inverse/least_squares functions to complete the decomposition api
the qr module is also needed for the future svd module implementation, since it could be used as a preconditioner.
implement the qr decomposition with and without column pivoting, along with the solve/reconstruct/inverse/least_squares functions to complete the decomposition api
the qr module is also needed for the future svd module implementation, since it could be used as a preconditioner.