用Octave生成伽马分布的随机变量
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生成单个随机数
程序代码如下
>> pkg load statistics
>> alpha = 2;
>> beta = 5;
>> r = gamrnd(alpha, beta)
r = 47.154生成随机数矩阵
程序代码如下
>> pkg load statistics
>> alpha = 2;
>> beta = 5;
>> r = gamrnd(alpha, beta, 5, 3)
r =
1.5909 5.3984 9.4687
4.9817 14.8108 3.3252
5.5196 16.9407 11.1029
19.9563 26.7890 14.6733
18.2447 11.5826 14.5039