Hello, I'm just starting to work with maple I'm working on Enzyme kinetics project and I have no idea how to solve ODE system using GEAR'S or A-stability methods. I'm looking for help.

What is wrong?

> restart;
> Digits := 10;
> dsys := {diff(E(t), t) = -kf*E(t)*S(t)+kr*ES(t)+kcat*ES(t),