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For questions about iteration. Use this tag for questions about the repetitive use of processes, functions and or operators.
0
votes
1
answer
52
views
Nest expressions of several arguments
I have the following function:
Q[r_, f_, s0_] := Q[r, f, s0] = F[r, s0] D[f[s0], s0]
By calling
Q[r, Q[r, f, s0], s0]
I obtain the following result:
F[r,s0] ((F[r,s0] f'[s0])'[s0]+(F[r,s0] f'' …
2
votes
1
answer
43
views
Problem with recursive relations
Continuing the topic of my previous questions (link1 and link2), let me ask one more question.
I have problems with the following code:
ClearAll["Global`*"]
SetAttributes[R, HoldAll]
SetAttributes[P …
3
votes
3
answers
121
views
Symbolic nest expressions
I'm trying to understand how to use symbolic expressions as arguments. The following example represents my problem:
Q[f_, s0_] := Q[f, s0] = D[f[s0], s0]
Q[Q[f, s0], s0]
where Q is simply first de …