It was proposed by Professor Jeff R. Cash  from Imperial College London and Alan H. Karp from IBM Scientific Center. The method is a member of the Runge–Kutta family of ODE solvers. More specifically, it uses six function evaluations to calculate fourth- and fifth-order accurate solutions.
It was proposed by Professor Jeff R. Cash  from Imperial College London and Alan H. Karp from IBM Scientific Center. The method is part of the Runge–Kutta family of ODE solvers that use multiple function evaluations to achieve high accuracy.