Sha256: 318ba8615071a42537c8e54684faae5d2cad25179af49d30e3c2723e11dd396b
Contents?: true
Size: 163 Bytes
Versions: 7
Compression:
Stored size: 163 Bytes
Contents
# coding: utf-8
class Integer
def choose(k)
k > self ? 0 : factorial / (k.factorial * (self - k).factorial)
end
alias :binomial_coefficient :choose
end
Version data entries
7 entries across 7 versions & 1 rubygems