Intuition question. You draw two vectors from an n-dimensional isotropic Gaussian where n>>1. What is the typical angle between them?
Prikaži ovu nit
-
1/ Do any of you posting your musings here know how to establish that the answer is pi/2? It is not done by simulations or by looking it up in mathoverflow. It is only established through a mathematical proof. Figure it out. It involves solid angles.
I assume most of my readers would go through the distribution of dot product path. Or do you mean how to derive the ab=||a||||b||cos \theta equation in the first place?
