Let A and B be two matrices with the same number of rows. The generalized QR factorization is a way to simultaneously transform these matrices to upper triangular form. We present perturbation bounds for this factorization. © 1994.
Barrlund, A. (1994). Perturbation bounds for the generalized QR factorization. Linear Algebra and Its Applications, 207(C), 251–271. https://doi.org/10.1016/0024-3795(94)90013-2