Problem 4 Solve the trust-region" sub-problem min p's + 3p"Bp, plesa in the following cases: f (a) B= '1 0 0 0 2 0 0 0 2 3-0 and A=2 (b) B= -2 0 0 0 -1 0 0 0 - 1 and A=5/12 B is the Hessian, g is the gradiant A is radius of the the region. use trust-regin to optimize Problem 4 Solve the trust-region" sub-problem min p's + 3p"Bp, plesa in the following cases: f (a) B= '1 0 0 0 2 0 0 0 2 3-0 and A=2 (b) B= -2 0 0 0 -1 0 0 0 - 1 and A=5/12 B is the Hessian, g is the gradiant A is radius of the the region. use trust-regin to optimize