this post was submitted on 22 Oct 2023
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Programmer Humor

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[–] [email protected] 4 points 1 year ago

here’s another mathematical approach (that has the added benefit of only working when x and y are both positive).

let f denote the linear functional on ℝ^2^ defined by f(1,0) = x and f(0,1) = y (and extend by linearity). then the operator norm || f || is equal to max(x,y).