baibizhe.github.io/2020/08/01/qr_factorization最小二乘法

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qr_factorization 和 householder transformation解决最小二乘法

Least-Squares Problems by QR Factorization令 A 为训练集 $A=\left[a_{1}, a_{2}, \ldots, a_{n}\right] \in R^{m \times n}$ $a_{1}, a_{2}, \ldots, a_{n} \in R^{m}$ y 为target。 我们的目标是 找到一个c $argmin_{c



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qr_factorization 和 householder transformation解决最小二乘法

https://baibizhe.github.io/2020/08/01/qr_factorization%E6%9C%80%E5%B0%8F%E4%BA%8C%E4%B9%98%E6%B3%95

Least-Squares Problems by QR Factorization令 A 为训练集 $A=\left[a_{1}, a_{2}, \ldots, a_{n}\right] \in R^{m \times n}$ $a_{1}, a_{2}, \ldots, a_{n} \in R^{m}$ y 为target。 我们的目标是 找到一个c $argmin_{c



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https://baibizhe.github.io/2020/08/01/qr_factorization%E6%9C%80%E5%B0%8F%E4%BA%8C%E4%B9%98%E6%B3%95

qr_factorization 和 householder transformation解决最小二乘法

Least-Squares Problems by QR Factorization令 A 为训练集 $A=\left[a_{1}, a_{2}, \ldots, a_{n}\right] \in R^{m \times n}$ $a_{1}, a_{2}, \ldots, a_{n} \in R^{m}$ y 为target。 我们的目标是 找到一个c $argmin_{c

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