法捷耶娃函数

来自testwiki
跳转到导航 跳转到搜索
Fadeeva Function

法捷耶娃函数(Fadeeva function)是一种在等离子物理学中见到的特殊函数,与福格特函数有关,定义如下[1]

w(z):=ez2erfc(iz)=erfcx(iz)=ez2(1+2iπ0zet2dt).


与福格特函数的关系

w(x+iy)=U(x,y)+iV(x,y),

参考文献

  1. V. N. Faddeeva and N. N. Terent'ev: Tables of values of the function w(z)=\exp(-z^2)(1+2i/\sqrt{\pi}\int_0^z\exp(t^2)\text{d}t) for complex argument. Gosud. Izdat. Teh.-Teor. Lit., Moscow, 1954; English transl., Pergamon Press, New York, 1961. Unverified citation, copied from Poppe and Wijers (1990)