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Question
数组的非互斥概率选取。
刚开始用matlab,求解答。。数组P中的数值的大小即为概率值，例如P=[0.1,0.5,0.4]，从P中进行一次随机选取，选取按概率，但选出的数不一定为一个，比如例子中三个数都被选取的概率便是0.1*0.5*0.4，这种非互斥的概率选取如何编代码呢，数据...
ungefär 3 år ago | 1 answer | 0
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answerQuestion
两个不同维度的矩阵进行筛选。
如题，我有两个矩阵A=[1,2,3;4,5,6;7,8,9;10,11,12;13,14,15;16,17,18;19,20,21] B=[1,2;7,8;19,20] 我想用B的两列元素来筛选A，即得到C=[1,...
ungefär 3 år ago | 1 answer | 0
