随笔分类 -  机器学习

摘要:形式及推导 形式:前向计算如下所示, \[\text{TopK}(\vec{x}, k) = \sigma(\vec{x}+\Delta(\vec{x}, k)) \]注意\(\Delta(\cdot)\)满足限制条件\(\sum \Delta(\vec{x}, k) = k\),并且\(\sigm 阅读全文
posted @ 2024-09-25 17:04 WrRan 阅读(263) 评论(0) 推荐(0)
摘要:算法描述 Ridge regression uses the same simple linear regression model but adds an additional penalty on the \(L2\)-norm of the coefficients to the loss f 阅读全文
posted @ 2024-09-14 17:08 WrRan 阅读(46) 评论(0) 推荐(0)
摘要:算法描述 A weighted linear least-squares regression model. Notes In weighted linear least-squares regression, a real-valued target vector, \(\mathbf{y}\), 阅读全文
posted @ 2024-09-14 16:39 WrRan 阅读(29) 评论(0) 推荐(0)