d1e52ed28d
Was: ```pycon >>> A = mp.matrix([[3, -1, 2], [2, 5, -5], [-2, -3, 7]]) >>> Q, R = mp.schur(A) >>> mp.norm(Q.T*A*Q-R, inf) 1.8166878507717441e-15 ``` Now: ```pycon >>> A = mp.matrix([[3, -1, 2], [2, 5, -5], [-2, -3, 7]]) >>> Q, R = mp.schur(A) >>> mp.norm(Q.T*A*Q-R, inf) 1.3322676295501878e-15 ```