數據挖掘day1四、15-CS229-WEEK2 Linera Regression

一、本節思惟導圖 二、Python實現梯度降低 參考文章 數據使用課程的課後練習，J的圖像：html # Use these for your excerise theta0s = np.linspace(-1,1,50) theta1s = np.linspace(0,1.5,50) COST = np.empty(shape=(50,50)) # Meshgrid for paramater

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