A cubic-interpolating sound generator based on the difference equation:
x(n+2) = 1 - a * x(n+1)^2 + b * x(n)
This equation was discovered by French astronomer Michel Hénon while studying the orbits of stars in globular clusters.
for more information on chaos theory henon formulas:
sclang code translation:
Iteration frequency in Hertz
Initial value of x
Second value of x