Exercise 4.5.3

Answers

It’s easy to verify that ${(LU)}_{44} = (- \frac{3}{4}) (- 1) + (1) (\frac{5}{4}) = 2$ .

$\det (A) = \det (LU) = \det (L) \det (U) = 1 \times 5 = 5$

niuers

2020-03-20 00:00