[GiNaC-list] indexed structure, is possible???

[mdias at ift.unesp.br]

Hi,



I am working in a kind of covariant derivative. I started with a structure, like
in page 81 of tutorial: 

covdiff(argument,index)

I implemented distributive, Leibniz rule, etc.. But I would like to make GiNac
threat this structure like a indexed object ( metric tensor could rise indexes,
etc).
Is there a function option in the definition of structure or a TINFO option?

Thanks for all


Marco


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