Hacker News new | past | comments | ask | show | jobs | submit login

Yes, it is a really weird property of 2-spheres that that holds.

One consequence is that yet another way to pick a point uniformly on the sphere is to choose z ∈ [-1, 1] uniformly, then choose λ ∈ [-180°, 180°) uniformly and use the point

  (cos(λ)*sqrt(1-z*z), sin(λ)*sqrt(1-z*z), z)



Join us for AI Startup School this June 16-17 in San Francisco!

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: