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2025-03-08 16:46:14 UTC
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Bartosz Milewski on Nostr: nprofile1q…fv2av Good point. If the matrix W_V were invertible, than we could ...

Good point. If the matrix W_V were invertible, than we could absorb it into the definition of E's and the two other matrices. My guess is that all these matrices project onto smaller-dimensional subspaces, thus cannot be inverted. But I don't know how much of it is just optimization heuristics.