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  • $\begingroup$ This looks really nice, however I have an issue (sorry if I didn't explain my question well), func[x] can change from being Cos to Sin from one evaluation to the next. I don't want that to be possible. Specifically, I want a function, func[x_]:=, that becomes one of the functions in listFun, and once it becomes one of those functions it no longer changes. Does that make sense? (I think changing := to = might fix this though?) $\endgroup$ Commented May 22, 2021 at 14:38
  • $\begingroup$ Perhaps another way of saying this is as follows: With the code you have provided ?func gives func[x_] := RandomChoice[listFun][x]. What I want it to be is func[x_]:=Cos[x], or an equivalent version of that (not need to be Cos, I just use Cos as example since that is the first thing you func evaluate to). Then, if I have func1[x_] := RandomChoice[listFun][x], func2[x_] := RandomChoice[listFun][x], func1 might be Sin,Cos, etc, and func2 can possibly be a different one, and so on $\endgroup$ Commented May 22, 2021 at 14:40
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    $\begingroup$ Yes Set would give a fixed result. That is what Evaluate does in the plots. $\endgroup$ Commented May 22, 2021 at 14:49