功能:The symmetric integral of the ﬁrst kind

格式:EllipticRF(x,y,z)

说明:本函数等于0.5*Int[1/((t+x)*(t+y)*(t+z))^0.5,t,0,∞],其中Int[1/((t+x)*(t+y)*(t+z))^0.5,t,0,∞]表示1/((t+x)*(t+y)*(t+z))^0.5函数对变量t从0到∞进行定积分.

参考:《NUMERICAL COMPUTATION OF REAL OR COMPLEX ELLIPTIC INTEGRALS》_B.C.CarlsonAmes_Laboratory and Department of Mathematics, Iowa State University,Ames, Iowa 50011-3020, USA

例子:

EllipticRF(i+2.5,2.3-44.5i,i)//回车得到如下解
ans = 0.372511655194332 + 0.119067906448622i