为什么在处理一些复杂函数时总将该函数展开成为傅里叶级数?这样做的意义是什么? 知乎 Template




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tomski为什么在处理一些复杂函数时总将该函数展开成为傅里叶级数?这样做的意义是什么? 知乎 coloring