听写 发表于 2025-3-23 12:47:48
Texts in Applied Mathematicshttp://image.papertrans.cn/i/image/474017.jpgcruise 发表于 2025-3-23 17:54:25
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Orthogonality and General Fourier Series,ence properties of Fourier series, while we return to partial differential equations in Chapter 10. There the goal is to show that the formal solutions are in fact rigorous solutions in a strict mathematical sense.Carcinogen 发表于 2025-3-24 09:46:52
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