发布网友 发布时间:2022-05-29 22:22
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热心网友 时间:2023-12-23 18:04
In his book Théorie Analytique de la Chaleur(1822) on the problems of heat transfer, Fourier proved that any function of a variable, whether continuous or discontinuous, can be expanded in a series of sines of multiples of the variable. Then this result was utilized in the Poisson's analysis method.热心网友 时间:2023-12-23 18:04
傅立叶 Fourier