And not only are the matrices small, they're probably known (or assumed) to be w... | Hacker News

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		x0x0 on May 12, 2016 \| parent \| context \| favorite \| on: Don’t invert that matrix (2010) And not only are the matrices small, they're probably known (or assumed) to be well-conditioned. Inverting even a small hilbert matrix will probably go boom.

GFK_of_xmaspast on May 13, 2016 [–]

Not just well conditioned, but special orthogonal.

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