method

tanh

v1_9_3_125 - Show latest stable - Class: CMath

tanh(z)

public

returns the hyperbolic tangent of z, where z is given in radians

# File lib/cmath.rb, line 229
  def tanh(z)
    begin
      if z.real?
        tanh!(z)
      else
        sinh(z) / cosh(z)
      end
    rescue NoMethodError
      handle_no_method_error
    end
  end

tanh

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