A vector $x∈X$ has coordinates $x_B=⟨2,−7,−10⟩$. What is $x_J$?

94 Views Asked by At

enter image description here

I'm stuck on this question because $PJ<---B$ isn't given. If it helps the previous question asked to find $x_G$ which I found to be $<-2,-11,-17>$. I would really appreciate your help. Thank you

1

There are 1 best solutions below

0
On BEST ANSWER

HINT

  • $x_H=P_{HB}x_B$
  • $x_J=P_{JH}x_H$
  • $P_{JH}=P_{HJ}^{-1}$