Communication Dans Un Congrès Année : 2022

On the Error of Random Sampling: Uniformly Distributed Random Points on Parametric Curves

Résumé

Given a parametric polynomial curve γ:[a,b] →Rn, how can we sample a random point x ∈ im(γ) in such a way that it is distributed uniformly with respect to the arc-length? Unfortunately, we cannot sample exactly such a point---even assuming we can perform exact arithmetic operations. So we end up with the following question: how does the method we choose affect the quality of the approximate sample we obtain? In practice, there are many answers. However, in theory, there are still gaps in our understanding. In this paper, we address this question from the point of view of complexity theory, providing bounds in terms of the size of the desired error.

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Dates et versions

hal-03601563 , version 1 (25-07-2022)

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Apostolos Chalkis, Christina Katsamaki, Josué Tonelli-Cueto. On the Error of Random Sampling: Uniformly Distributed Random Points on Parametric Curves. ISSAC '22 - International Symposium on Symbolic and Algebraic Computation, Jul 2022, Villeneuve-d'Ascq, France. ⟨10.1145/3476446.3536190⟩. ⟨hal-03601563⟩
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