Answer by Kilian for How do I know which indices to raise or lower in a...
So here I am reading that same pdf/book with a very similar question. What I think the answer is (main reason I’m posting this is so that someone who knows better can correct if wrong) as follows:As we...
View ArticleAnswer by Keith Afas for How do I know which indices to raise or lower in a...
Hmm this is a good question! I mean to make things a bit easier...I have always heard that the best way to denote the different placement of the indices with dots...so instead of just having...
View ArticleHow do I know which indices to raise or lower in a rank-$2$ tensor?
The document I am reading about tensors claims the following:In practice it will turn out to be very useful to also introduce this convention [raised and lowered indices] for matrices. Without further...
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