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Published 20 hours ago • verified publisher icon Macaulay2

Inverting a lower triangular matrix

Open pzinn opened this issue 2 years ago • 4 comments

Here's a 120x120 integer-valued lower triangular matrix with 1s on the diagonal:

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Trying to invert it takes more than 5Gb (didn't try beyond that, killed the process after a few minutes). Trying to invert it after transposing it works instantly. I think we can do a little better in our matrix inversion algorithm...

pzinn avatar Dec 25 '22 00:12 pzinn