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mAtlAB好用还是mAthEmAtiCAl好用?

贝塞尔函数分为几类,看看以下帮助,也许有所启发。 >> help Bessel BESSEL Bessel functions of various kinds. Bessel functions are solutions to Bessel's differential equation of order NU: 2 2 2 x * y'' + x * y' + (x - nu ) * y = 0 ...

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