Function ackley_hessian

pub fn ackley_hessian<T>(param: &[T]) -> Vec<Vec<T>>
where
    T: Float + FromPrimitive + Sum + Debug,

Hessian of Ackley test function

Calls ackley_abc_hessian with $a = 20$, $b = 0.2$ and $c = 2\pi$.