Unverified50% confidenceFactExact time
线性回归的闭式解为 w = (X^T X)^{-1} X^T y，涉及矩阵转置、矩阵乘法和矩阵求逆
1
Sources
50%
Confidence
Long-term
Relevance
8/23/2026
First Seen
Sources
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