Talk:Sum of squares

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Merging in Sum of two squares

Latest comment: 13 years ago1 comment1 person in discussion

Instead of leaving in place a link to Sum of two squares, I merged that page here and left behind a redirect. That page was an orphan anyway. —Mark Dominus (talk) 18:05, 25 February 2011 (UTC)Reply

Sum of squares as a product of two vectors

Latest comment: 8 years ago2 comments2 people in discussion

Where can I find explanation about the product of a vector by its transpose being a sum of squares?

Example: imagine a vector A with three elements: [a1 a2 a3]. Its transpose is "AT". A times AT = a1^2 + a2^2+ a3^2, that is, is a sum of squares. --Luizabpr (talk) 01:29, 6 November 2016 (UTC)(talk)Reply

I've added two wikilinks at Sum_of_squares#See_also. fgnievinski (talk) 13:04, 6 November 2016 (UTC)Reply

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