Distributions: Uniform | Cauchy |

abaelhe / 2023-08-16 / 原文

Uniform Distribution:
U(a, b):

  • F(x) = x ·1/(b-a)
  • p(x) = 1/(b-a) if q<x<b; p(x) = 0 else.
  • E(x) = (a+b)/2

Cauchy Distribution:

  • F(x) = [arctan(x) + pi/2 ]·1/pi
  • p(x) = [1/(1+x^2)] · 1/pi
  • E(x) : non-exist