Homepage › Solution manuals › Gilbert Strang › Introduction to Linear Algebra › Exercise 2.6.3

Exercise 2.6.3

Answers

$ℓ_{31} = 1$ and $ℓ_{32} = 2$ (and $ℓ_{33} = 1$ ): reverse steps to get $A u = b$ from $U x = c$ : 1 times $(x + y + z = 5) + 2$ times $(y + 2 z = 2) + 1$ times $(z = 2)$ gives $x + 3 y + 6 z = 11$ .

mathchakra

2021-12-20 20:50

Exercise 2.6.3

Answers

Comments

Add answer