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Notes-ML-AndrewNg
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typo
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scruel
8 years ago
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@@ -311,7 +311,7 @@ $\begin{align*} & \text{repeat until convergence:} \; \lbrace \newline \; &{{\th
梯度下降算法
- $\begin{align*} & \text{repeat until convergence:} \; \lbrace \newline \; &{{\theta }_{j}}:={{\theta }_{j}}-\alpha \frac{\partial }{\partial {{\theta }_{j}}}J\left( {\theta_{0}},{\theta_{1}} \right) \newline \rbrace \end{align*}$
直接将线性回归模型公式
带
入梯度下降公式可得出公式
直接将线性回归模型公式
代
入梯度下降公式可得出公式
当 $j = 0, j = 1$ 时,**线性回归中代价函数求导的推导过程:**
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