I have some multiple questions regarding 4D matrix. I understood that any element of a 4d matrix is itself a 2d matrix. Let $A$ and $B$ be two 4d matrices, then how to find $AB$, i.e. their product? Next is how to define identity matrix in case of 4d matrices? And last, how to find the inverse of a given 4d matrix?
2026-02-25 11:11:45.1772017905
Four Dimensional Matrix
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