np.linalg.lstsq(a, b, rcond='warn')
lstsq的输入包括三个参数，a为自变量X，b为因变量Y，rcond用来处理回归中的异常值，一般不用。
lstsq的输出包括四部分：回归系数、残差平方和、自变量X的秩、X的奇异值。一般只需要回归系数就可以了。
Example.
W = np.linalg.lstsq(X, Y, -1)[0]
详细解决方案
np.linalg.lstsq(a, b, rcond='warn')
热度：10 发布时间：2024-01-24 05:09:08.0
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