Only Russell and Norvig have the style, or maybe the nerve, to end section 15.3 with a dizzying sequence of matrix manipulations, then immediately start section 15.4 with "Imagine watching a small bird flying through dense jungle foliage at dusk." Yes, imagine that!
Reading this book makes me wonder if maybe I should be in a different field. I could be teaching robots to walk up stairs or helping you choose the best guitar to buy. But no, instead I had to pick the area of CS in which we bang our heads against the halting problem every day. Oh, well, can't pretend I don't enjoy it.
In other news, I'm trying to do my last AI homework assignment of the year. Hello,
argmax. My old friend.