用Octave生成负二项分布的随机变量
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生成单个随机数
程序代码如下
>> pkg load statistics
>> r = 3;
>> p = 0.3;
>> fail_times = nbinrnd(r, p)
fail_times = 2生成随机数矩阵
程序代码如下
>> pkg load statistics
>> r = 3;
>> p = 0.3;
>> fail_times = nbinrnd(r, p, 5, 3)
fail_times =
19 8 10
2 9 3
5 14 5
9 4 7
8 8 2