method

exp

v1_9_3_392 - Show latest stable - 0 notes - Class: CMath

1_8_6_287
1_8_7_72
1_8_7_330
1_9_1_378
1_9_2_180
1_9_3_125 (0)
1_9_3_392 (0)
2_1_10 (-38)
2_2_9 (0)
2_4_6 (0)
2_5_5 (0)
2_6_3 (0)
What's this?

exp(z) private

Math::E raised to the z power

exp(Complex(0,0))      #=> 1.0+0.0i
exp(Complex(0,PI))     #=> -1.0+1.2246467991473532e-16i
exp(Complex(0,PI/2.0)) #=> 6.123233995736766e-17+1.0i

Show source

# File lib/cmath.rb, line 52
  def exp(z)
    begin
      if z.real?
        exp!(z)
      else
        ere = exp!(z.real)
        Complex(ere * cos!(z.imag),
                ere * sin!(z.imag))
      end
    rescue NoMethodError
      handle_no_method_error
    end
  end

exp

Related methods