Send the following on WhatsApp
Continue to Chathttps://123dok.net/document/z3d62w7y-computation-of-order-conditions-for-symplectic-partitioned-runge-kutta-schemes-with-application-to-optimal-control.html
https://123dok.net/document/z3d62w7y-computation-of-order-conditions-for-symplectic-partitioned-runge-kutta-schemes-with-application-to-optimal-control.html