I am going through artin 1st edition myself and I am having problems with 2 questions from chapter 4.
Thanks for your help.
Almost- you don't want that "I" in the denominator: .
you are not quite applying the formula correctly.
does that look any better?
Thank You Deveno, it works now.
I am still having trouble with the other question though.
what do you have so far?
nothing, that is why I need a little help.
well, you know x is an eigenvector for A, and y is an eigenvector for B^T, what can you do with that?
I have been trying to think about that but nothing comes to mind immediately.
Well I thought about doing this:
edit: sorry, stupid thought.
Can someone give me a good hint on how to do this question?