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by bee_rider
390 days ago
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Numpy seems somewhat constrained here… it grew out of the matrix ecosystem, and matrices map naturally to two-dimensional arrays (sidenote: it’s super annoying that we have n-dimensional matrices and n-dimensional arrays, but the matrix dimension maps to the width of the array). Anyway, the general problem of having an n-dimensional array and wanting to dynamically… I dunno, it is a little tricky. But, sometimes when I see the examples people pop up with, I wonder how much pressure could be relieved if we just had a nice way of expressing operations on block or partitioned matrices. Like the canonical annoying example of wanting to apply solve using a series of small-ish matrices on a series of vectors, that’s just a block diagonal matrix… |
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