webgp

2 points

joined

webgp hasn't added a bio yet

History

History

Yes, it means that if $x^Ty = 0$ AND both vectors have nonzero norm, then they are at a 90 degree angle. You need both the hypotheses. In your example, $a^Tb = 1$, so the first hypothesis is not satisfied.

replied to
Study Group for Goodfellow's "Deep Learning"

Let's try it!