Raising and Lowering indices in Differential Geometry Package.

Question:Raising and Lowering indices in Differential Geometry Package.

Posted: Jamie128 165 Product: Maple

April 25 2023

I have been using the RaiseLowerIndices to go from covectors to contravariant vectors.

RaiseLowerIndices(Contravariant_form_of _metric, One_Form, [1])

The above gives me the right answer.
But the following also gives me an answer which is different. I just dont know what it is calculating.

RaiseLowerIndices(Contravariant_form_of _metric, One_Form, [1,1]).

Could someone tell me what it is calculating?

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