 Tell the CAS that a function is the indefinite integral of another function? - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Calculators (and very old HP Computers) (/forum-3.html) +--- Forum: HP Prime (/forum-5.html) +--- Thread: Tell the CAS that a function is the indefinite integral of another function? (/thread-14984.html) Tell the CAS that a function is the indefinite integral of another function? - anyfoo - 05-13-2020 03:44 AM If I type in: int(2*f(x)) without definition for f, the result is a predictable: ∫2*f(x)dx Let's suppose I know that f remains undefined, but I know that g(x) is the indefinite integral of f(x). The above expression could therefore be resolved to the indefinite integral: 2*g(x) Can I somehow tell the CAS of this relationship? It's important to note that I do not want to define f(x) to any specific function, but that I want to establish this relation between f(x) and the (equally undefined) g(x), for the general case. RE: Tell the CAS that a function is the indefinite integral of another function? - parisse - 05-14-2020 06:21 AM You can't. It would not help much anyway.