module Math
sigma
Public Class Methods
sigma(b,e) { |i| ... }
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Math.sigma
(b, e) { expr }
# File lib/el4r/el4r-sub.rb, line 114 def sigma(b,e) if b > e then 0 else s=0 b.upto(e) do |i| s += yield(i) || 0 end s end end
Also aliased as: sum
Public Instance Methods
Private Instance Methods
sigma(b,e) { |i| ... }
click to toggle source
Math.sigma
(b, e) { expr }
# File lib/el4r/el4r-sub.rb, line 114 def sigma(b,e) if b > e then 0 else s=0 b.upto(e) do |i| s += yield(i) || 0 end s end end
Also aliased as: sum