Module: Enumerable

Defined in:
lib/math_symbols/core_ext/enumerable.rb

Instance Method Summary collapse

Instance Method Details

#∏ ⇒ Object 



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# File 'lib/math_symbols/core_ext/enumerable.rb', line 8

def ∏
  inject 1 do |acc, x|
    yield(x) * acc
  end
end

#∑ ⇒ Object 



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# File 'lib/math_symbols/core_ext/enumerable.rb', line 2

def ∑
  inject 0 do |acc, x|
    yield(x) + acc
  end
end