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Dec. 28th, 2018 10:10 pmreblogged your post and added:
so i think the set of matrices you’re talking about is a real thing: the orthogonals with determinant 1. The reflections have -1
reblogged your post and added:
so i think the set of matrices you’re talking about is a real thing: the orthogonals with determinant 1. The reflections have -1