Class FrobeniusCostFunction

Default epsilon for finite difference method

method to overload to compute grad_f, the first derivative of the cost function with respect to x

method to overload to compute J_f, the jacobian of the cost function with respect to x

method to overload to compute the cost function value in x

method to overload to compute grad_f, the first derivative of the cost function with respect to x and also the cost function

method to overload to compute J_f, the jacobian of the cost function with respect to x and also the cost function