from Hacker News

Formula for an ellipse in 12 dimensions?

by kingzulu on 10/17/15, 6:53 AM with 2 comments

Do we have such a formula. Anyone know what it is? Feel free to over explain, I'm not highly studied in math.
  • by vortico on 10/17/15, 8:21 AM

    (x_1/a_1)^2 + ... + (x_12/a_12)^2 = 1

    It's the obvious generalization of an ellipse in 2 dimensions.