Homepage › Solution manuals › Gilbert Strang › Linear Algebra and Learning from Data › Exercise 1.7.18

Exercise 1.7.18

Answers

We have $x^{T} Sx = 4 x_{1}^{2} + 5 x_{3}^{2} + 2 x_{1} x_{2} + 2 x_{1} x_{3} + 4 x_{2} x_{3}$ , it’s not positive when $(x_{1}, x_{2}, x_{3}) = (1, - 3, 0)$

niuers

2020-03-20 00:00

Exercise 1.7.18

Answers

Comments

Add answer