冷淡周边 发表于 2025-3-30 09:50:06

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Diverticulitis 发表于 2025-3-30 14:17:58

Pointwise Convergence of Fourier SeriesMoreover, this condition implies that the function itself is almost everywhere equal to a continuous function. In this section, the class of functions for which the inversion formula holds is extended.
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查看完整版本: Titlebook: Mathematical Principles of Signal Processing; Fourier and Wavelet Pierre Brémaud Textbook 2002 Springer Science+Business Media New York 20