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Feb 26, 2021 at 17:43 history edited Alan Swindells CC BY-SA 4.0
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Feb 24, 2021 at 18:18 history edited YCor CC BY-SA 4.0
formatting
Feb 24, 2021 at 18:16 history edited Alan Swindells CC BY-SA 4.0
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Nov 26, 2011 at 15:14 answer added Alexander Chervov timeline score: 10
Nov 26, 2011 at 15:04 comment added David E Speyer A $k \times k$ matrix of $\ell \times \ell$ matrices is just a $(k \ell) \times (k \ell)$ matrix. Is there a reason not to just invert it that way?
Nov 26, 2011 at 14:46 answer added user6976 timeline score: 6
Nov 26, 2011 at 14:29 history asked Alan Swindells CC BY-SA 3.0