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+1 vote


i want to lower all indices like

A_{m p} B^{p n} -> A_{m p} B_{p n} 

is there a way to make all indices down?


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1 Answer

+1 vote

Declare your index positions free and use lower_free_indices:

ex:=A_{m p} B^{p n};

The word 'free' here refers to the index type position=free, not to the fact that they are un-contracted.

answered by (54.8k points)