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zhaoxuanchen 2008-11-25 06:03

[求助]请高手教教我如何用besselj
 
主要问题是besselj(Nu,z),如果知道了besselj的答案和Nu,如何反求出z的值,举个例子,假如besselj(0,z)=0,怎么求z.因为z是一个有无限个数的解(bessel function是periodic function),所以怎么找到前50个z值让等式成立?
谢谢:cry:


所有时间均为北京时间。现在的时间是 11:10

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