Chua 2 Attractor

The Chua 2 attractor is a 3-dimensional strange attractor produced by the following equation:

H=-bsin(πxn2a+d) xn+1=xn+ a(yn-H)dt yn+1=yn+ (xn-yn+zn)dt zn+1=zn- (byn)dt
Chua 2 fractal