module ModFactor::Math
Public Instance Methods
sigma_geometric(r, n)
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# File lib/mod_factor/math.rb, line 4 def sigma_geometric r, n (1 - r**(n+1))/(1 - r) end
# File lib/mod_factor/math.rb, line 4 def sigma_geometric r, n (1 - r**(n+1))/(1 - r) end