logging a function's argument

[Wes Loewer]

(09-26-2022 03:12 PM)StephenG1CMZ Wrote:  Which makes me wonder whether something like
Fun(lst:={1,2,3})
Might help if you can call fun with a list.

But to use the function with solve or integration, the function has to have a single number argument and return a number.

(09-26-2022 03:12 PM)StephenG1CMZ Wrote:  (the lst(0) syntax keeps appending to lst)

When I try lst(0):=5; it replaces the last element with 5 rather than appending 5.