Question

You are provided with the coordinate matrix of X relative to a (nonstandard) basis B. Find the coordinate vector of X relative to the standard basis in R^n

Answer 1

B{(-1,4),(4,-1)} [X]sub B=[-2,3]^T

Answer 2

I got X=[14 -11]

Answer 3

Is this correct?

Answer 4

Nevermind, it is right.

Answer 5

I doubt myself too much sometimes

Answer 6

:)