Question: Indices


I have a big prob:

I have to do a quite long calculation for a construction.

In order to be able to keep track I need to use variables with indices like xEngine, xGearbox, ...

But when I for example define x:=5, and later I want to use vx (describing velocity in x-direction) maple understands v5.

If I define vx as "atomic identifier" - what seemd to be the solution for my problem - I can not use the solve-function anymore. It just does not work anymore.

I would be very greatful if somebody could help me.


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