Method: Math.lower_incomplete_gamma_function

Defined in:
lib/math.rb

.lower_incomplete_gamma_function(s, x) ⇒ Object 



46
47
48
49
50
51
 
# File 'lib/math.rb', line 46

def self.lower_incomplete_gamma_function(s, x)
  # The greater the iterations, the better. That's why we are iterating 10_000 * x times
  self.simpson_rule(0, x, (10_000 * x.round).round) do |t|
    (t ** (s - 1)) * Math.exp(-t)
  end
end