Thank you to Axel Vogt. That works just fine for what I need to do. Would've taken me a long time to realise that process. Cheers

Thank you to Axel Vogt. That works just fine for what I need to do. Would've taken me a long time to realise that process. Cheers

I ultimately want Maple to compute the kth power of Δ, given some k. e.g.I want to know Δ²⁰(f(n)).

Any ideas; it must be fairly simple...