IFS Spiral

Written by Paul Bourke
January 2002

The IFS equations are as follows

x_n+1 = a x_n + b y_n + e

y_n+1 = c x_n + d y_n + f

The parameter table:

                   set 1       set 2        set 3  
             a     0.787879   -0.121212     0.181818
             b    -0.424242    0.257576    -0.136364
             c     0.242424    0.151515     0.090909
             d     0.859848    0.053030     0.181818
             e     1.758647   -6.721654     6.086107
             f     1.408065    1.377236     1.568035
   probability     0.90        0.05         0.05