breeze.optimize
The empirical hessian evaluates the derivative for multiplcation.
H * d = \lim_e -> 0 (f'(x + e * d) - f'(x))/e
the point we compute the hessian for
the gradient at x
a small value
The empirical hessian evaluates the derivative for multiplcation.
H * d = \lim_e -> 0 (f'(x + e * d) - f'(x))/e