以下简单示例返回一个奇异矩阵.为什么?有什么方法可以克服它吗?
In: from scipy.stats import gaussian_kde
Out:
In: points
Out: (array([63, 84]), array([46, 42]))
In: gaussian_kde(points)
Out: (array([63, 84]), array([46, 42]))
LinAlgError: singular matrix
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