Scientific Computing Using Python - PHYS:4905 - Fall 2018
Homework #9
Due 10/2/2018
Name _______________________________________________
The answers to these questions must be hand written and handed
in on paper.
1. (25) Find the inverse of the matrix
.
When is this matrix singular?
2. (18) Let
and
. Compute the
following:
(a) det(M)
(b) det(N)
(c) MN
(d) det(MN)
(e) The product of your answers to (a) and (b).
(f) How do (d) and (e) compare?
3. (15) Using Cramer's rule, find the inverse of
.
Write out the adjoint matrix before evaluating the determinants and
then again after. Check your answer.