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求多个随机变量组合函数的概率密度函数？。
第二个随机变量有问题，应该是 x2=4+0.5*randn([100000,1]); 核密度估计得效果常常依赖于核函数的选取和带宽等参数的设定，不是你啥都不给，电脑就能给你想要的好结果的。自己先补充一下相关知识或者仔细阅读doc ksdensity...
3 years ago | 0
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