Deterministic and random approximation by the combination of algebraic polynomials and trigonometric polynomials

Fourier approximation plays a key role in qualitative theory of deterministic and random differential equations. In this paper, we will develop a new approximation tool. For an mm-order differentiable function ff on [0,10,1], we will construct an mm-degree algebraic polynomial Pm{P}_{m} depending on...

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Bibliographic Details
Main Author: Zhang Zhihua
Format: article
Language:EN
Published: De Gruyter 2021
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Online Access:https://doaj.org/article/c093d6b3d1754b3999d514535459f019
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