Question: Fields with indices in Physics

It's possible to define a field in Maple 15 with 2 kinds of indices, say type spacetime μ,ν,ρ... and one of the type integer, i,j,k varying from 1 to n?

 

I would like to define a field like Aμi where:

 

Aμ1=Aμ

Aμ2=Bμ 

 

and so on.  

 

Thank you Washington Inacio

 

 

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