功能: 计算BarnesG函数

格式: BarnesG(x)

x : 为数值或者矩阵变量

说明:
1. {Hyperfactorial<矩阵运算\Hyperfactorial>}(x-1) * {BarnesG<矩阵运算\BarnesG>}(x)={Exp<矩阵运算\Exp>}((x-1) * {LnGamma<矩阵运算\LnGamma>}(x))

参考:{BarnesG<https://mathworld.wolfram.com/BarnesG-Function.html>}

例子:
a = BarnesG(0.345)//回车得到如下结果
a =
[ 0.41486864182125 ]