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Question: what is the *fundamental* difference between ...

Question:what is the *fundamental* difference between ...

Jean-Michel 45 Maple
subscript indexing
3 hours ago
1

Hello Ladies and Genlemen :)

a[1]:=1;

a__1:=1;

is( a[1]=a__1) returns false.

OK ...so [] is a ist ; __ is just a double underscore .

I skim through the docs but nothing interresting for me.

so what are the whys and the wherefores of this difference ?

I must say that i have been using Maple since 1992 ! (Maple V.2)

I *always* used [] for indexing variables.

I  can't remember where/when __ was introduced...I am an old man now :)

Thank you very much and kind regards to all.

Jean-Michel
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