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arXiv 2003.14331math.NAcs.NAstat.CO
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无光滑性假设的数值积分

Numerical integration without smoothness assumption

Vladimir Temlyakov

摘要:

我们考虑数值积分的类,我们不强加任何光滑性假设。我们说明了如何非线性逼近,特别是贪婪逼近,使我们能够保证一定的衰减率的误差数值积分,即使在这样一个一般的设置没有平滑的假设。

英文摘要:

We consider numerical integration in classes, for which we do not impose any smoothness assumptions. We illustrate how nonlinear approximation, in particular greedy approximation, allows us to guarantee some rate of decay of errors of numerical integration even in such a general setting with no smoothness assumptions.

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