hedgeway
Nov10-11, 11:02 PM
I think this is true but not sure how to prove it. Suppose that A and B are both totally unimodular matrices then is the block matrix
(A 0)
(0 B) totally unimodular?
(A 0)
(0 B) totally unimodular?
View Full Version : If A and B are totally unimodular then is (A 0 0 B)?