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11885

Running Speeds

Recently a shoe store in France ran a promotion called “Rob It to Get It”, which invited customers to try to steal something by grabbing it and running out of the store. But there was a catch — the “security guard” was a professional sprinter, Méba Mickael Zeze. As you would expect, he is fast, but you might not…

11895

When gradient descent is a kernel method

Suppose that we sample a large number N N N of independent random functions f i ⁣ : R → R f_i \colon \R \to \R f i ​ : R → R from a certain distribution F \Fc F and propose to solve a regression problem by choosing a linear combination f ˉ = ∑ i λ i f i . \bar{f} = \sum_i \lambda_i f_i. f ˉ ​ = i ∑ ​ λ i ​ f i ​ . For…