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awarded  Popular Question
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awarded  Scholar
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accepted How to prove that exponential kernel is positive definite?
Dec
3
comment How to prove that exponential kernel is positive definite?
Good, Thank you. Hausdorff-Bernstein-Widder Theorem and interpolation theorem are so nice and powerful!
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comment How to prove that exponential kernel is positive definite?
It appears in the problem set of a machine learning course. Yes, $\alpha$ can be absorbed with change of scale of $x_i$.
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awarded  Student
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awarded  Editor
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revised How to prove that exponential kernel is positive definite?
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asked How to prove that exponential kernel is positive definite?