Question: list and array.

Question:list and array.

nmani 136 Maple

I have a big list in Maple named A with 324 elements. I want to change one of the elements of that. For Example  I want to say

A[274]:=xi=xj;But I receive error which says:Error, assigning to a long list, please use Arrays.

Then I used B:=convert(A,array); but I got another error which says:Error, (in index/fillinitvals ) unevaluated array index in assignment.

What should I do in this case?

 

Thanks a million.

 

 

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