
The IFS equations are as follows
yn+1 = c xn + d yn + f
set 1 set 2 set 3 set 4
a 0.0000 0.7248 0.1583 0.3386
b 0.2439 0.0337 -0.1297 0.3694
c 0.0000 -0.0253 0.3550 0.2227
d 0.3053 0.7426 0.3676 -0.0756
e 0.0000 0.2060 0.1383 0.0679
f 0.0000 0.2538 0.1750 0.0826