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add missing word
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Chandlercjy committed May 7, 2018
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2 changes: 1 addition & 1 deletion markdown/week3.md
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Expand Up @@ -490,7 +490,7 @@ ${h_\theta}\left( x \right)={\theta_{0}}+{\theta_{1}}{x_{1}}+{\theta_{2}}{x_{2}^

$J\left( \theta \right)=\frac{1}{2m}\sum\limits_{i=1}^{m}{[({{({h_\theta}({{x}^{(i)}})-{{y}^{(i)}})}^{2}}+\lambda \sum\limits_{j=1}^{n}{\theta _{j}^{2}})]}$

如果我们要使用梯度下降法令这个代价函数最小化,因为我们未对进行正则化,所以梯度下降算法将分两种情形:
如果我们要使用梯度下降法令这个代价函数最小化,因为我们未对$\theta_0$进行正则化,所以梯度下降算法将分两种情形:

$Repeat$ $until$ $convergence${

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