Problem 546. Is A the inverse of B?

Created by Bruce Raine

Given a matrix A and a matrix B, is A the inverse of B?

>>A=[2,4;3,5];

>>B=[-2.5,2;1.5,-1];

>>isInverse(A,B)

ans = 1

2 Comments

Kuifeng on 27 Apr 2012

Need to improve the test suites.

Richard Zapor on 20 May 2012

Test of [1 1;1 1] for x and y would break current best solution

1 Comment

Freddy on 18 Jun 2012

"credit should goes to matlab's built-in function not to programmer" - parvez mh