Thomas D. Dean on Thu, 14 Dec 2023 07:34:49 +0100


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foursquares-2.16.1.gp threesquares_fact 

What purpose does F serve in qfsolve([matdiagonal([1,1,1,-n]),F])?

? threesquares_fact(n,F)
%66 = [15, 0, 3]
? abs(qfsolve(matdiagonal([1,1,1,-n]))[1..3])~
%67 = [15, 0, 3]

Tom Dean