method

atan

v2_4_6 - 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?

atan(z) public

Returns the arc tangent of z

CMath.atan(1 + 1i) #=> (1.0172219678978514+0.4023594781085251i)

Show source

# File lib/cmath.rb, line 297
  def atan(z)
    begin
      if z.real?
        RealMath.atan(z)
      else
        1.0.i * log((1.0.i + z) / (1.0.i - z)) / 2.0
      end
    rescue NoMethodError
      handle_no_method_error
    end
  end

atan

Related methods