gistfile1.rb

# http://www.xcombinator.com/2008/02/22/ruby-inject-and-the-mandelbrot-set/

require 'complex'  
  
def mandelbrot(a)  
  Array.new(50,a).inject(a) { |z,c| z*z + c }  
end  
  
(1.0).step(-1,-0.05) do |y|  
  (-2.0).step(0.5,0.0315) do |x|  
    print mandelbrot(Complex(x,y)).abs < 2 ? '*' : ' '  
  end  
  puts  
end
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