Hello all !

I have the following problem:

I have a variable A(t1) /A1 12, A2 15, A3 18, A4 20/

I want to copy the first two elements in another variable B(t2) where t2 is /1,2/.

I am trying to make B(t2) /1 12, 2 15/

I can’t manage to do it… could you help ?

At the moment I am trying something like :

B(t2) = A(t1)$( ord(t1) = ord(t2) )

but it does not work because t1 is an “uncontrolled set entered as constant” and “set for ‘ord’ is not controlled”…

Thanks !

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