Model the rossler attractor
*https://www.glensstuff.com/rosslerattractor/rossler.htm
* provided by Giles Atkinson

.param a=0.2 b=0.2 c=5.7

B1 x 0 i=v(y) + v(z)
C1 x 0 1 ic=1

B2 y 0 i=-(V(x) + a * v(y))
C2 y 0 1

B3 z 0 i = -(b + v(z) * (v(x) - c))
C3 z 0 1

.control
tran 1m 300 uic
set nounits
set nolegend
plot x vs y retraceplot ylabel x
.endc
.end