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Question: How to deal with using previously computed values in certain expressions

Question:How to deal with using previously computed values in certain expressions

Stretto 245 Maple
global
January 12 2020
0

I have hacked together some things so I can use previously computed values without too much hassle


_Last := 0:
# Stores N in a global to be used
Last := proc(N)
    global _Last;
    _Last := N;
    N;
end:

 

_Last := 1:

seq(Last(_Last*4 + k),k=1..10);

 

This is quite hacky but does work. It is not very robust. Is there any better way? [The above is just a trivial example, I know it can be solved as a problem easily, that is not the point. The method can also be used in much more non-trivial scenarios to simplify coding them].

 

 
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