﻿功能:求伽马函数对数

格式:LnGamma(a)

说明:a为数据或者矩阵变量,如果a为矩阵变量表示对矩阵每个元素进行LnGamma(a)操作.其中LnGamma(a)表示{ln<矩阵运算\ln>}({gamma<矩阵运算\gamma>}(a))

例子:

a =
[  57.4660829535993   35.1000828831923   12.6833922754430
   30.4473969761503   7.14908927080645   91.7202456815728
   2.27621360787946   52.4954664299709   86.3125508121739
   41.0098481182986   30.9064023806278   35.6487129980925   ]
LnGamma(a)//回车得到如下结果
ans =
[  172.994712068970   90.8326765880615   20.2687393924715
   71.9399601382714   8.41347827673520   322.900238262788
   1.18275399899954   152.990910213834   296.819380225253
   114.935509491471   74.7198185224342   92.4634940799208   ]

//By 2012/5/5