Machine Learning Andrew Ng -7. Regularization

7.1 The problem of over-fitting What is overfitting problem? generalize 泛化 ：一個假設模型應用到新樣本的能力 如何解決過度擬合？ 7.2 Cost function 一般只對 θ 1 , θ 2 , . . . , θ n \theta_1,\theta_2,...,\theta_{n} θ1​,θ2​,...,θn​進行正

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