Derivative-free optimisation techniques have emerged as indispensable tools in addressing complex problems where gradient information is either unavailable or unreliable. Such methods bypass the need ...

This is a preview. Log in through your library . Abstract Under what circumstances can finite difference approximations serve as substitutes for analytical derivatives in unconstrained optimization?

Since the global financial crisis regulators have aimed to reduce systemic risk and increase transparency by expanding the use of collateral—the exchange of cash or securities to mitigate default risk ...