A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient.
直接的方法证明幂级数的和函数在收敛域内可以逐项微分的公式;并得到了计算立叶系数的一种简便方法.
A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient.
直接的方法证明幂级数的和函数在收敛域内可以逐项微分的公式;并得到了计算立叶系数的一种简便方法.
声明:以上例句、词性分类均由互联网资源自动生成,部分人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。