功能:开尔文函数kelvin ber

格式:kelvinber(v,z)

说明:一般地,{BesselJ<算式解析\BesselJ>}(v,(z*{Exp<算式解析\exp>}(3*π*i/4))=kelvinber(v,z)+i*{kelvinbei<算式解析\kelvinbei>}(v,z)

关于:{kelvin ber<http://mathworld.wolfram.com/Ber.html>}

例子:

kelvinber(3+0.12i,-3.6i)//回车后得到如下结果
ans = 0.186536586382973 + 2.0906973840344i