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Mandelbrot set (pseudocode)

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  1. For each pixel on the screen do:
  2. {
  3.   x0 = x co-ordinate of pixel
  4.   y0 = y co-ordinate of pixel
  5.  
  6.   x = 0
  7.   y = 0
  8.  
  9.   iteration = 0
  10.   max_iteration = 1000
  11.  
  12.   while ( x*x   y*y <= (2*2)  AND  iteration < max_iteration ) 
  13.   {
  14.     xtemp = x*x - y*y   x0
  15.     y = 2*x*y   y0
  16.  
  17.     x = xtemp
  18.  
  19.     iteration = iteration   1
  20.   }
  21.  
  22.   if ( iteration == max_iteration ) 
  23.   then 
  24.     color = black
  25.   else 
  26.     color = iteration
  27.  
  28.   plot(x0,y0,color)
  29. }

URL: http://en.wikipedia.org/wiki/Mandelbrot_set

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