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Question: How isolate based only in the second index?

Question:How isolate based only in the second index?

José Goulart 25 Maple
select
May 09 2019
1

Hi, im working on integration methods and i would like to make a routine that put to left side from a equation only the terms that have 'j+1'. So for example, we have the heat-conduction equation and we want to develope a approximated solution by an implicit method, so:

at this point i have tryed different ways in order to select only the terms that T [any,j+1], because we want T[i,j+1],T[i+1,j+1] and T[i-1,j+1] to the lhs of the equation and the rest to the rhs

I would like to make Maple read only the second index as a criteria to select or not. 

Someone have any idea on how to make maple deal with it?
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