C1_W3_optional lab_Regularization

Course Q&A Machine Learning Specialization Supervised ML: Regression and Classification
1

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Hello , in w_tmp = np.random.rand(X_tmp.shape[1]).reshape(-1,) - 0.5 why the need for reshape and also 0.5 subtracted.

2

Hello William @WILLIAM_AGYEKUM_ASIE,

reshape is actually not needed. For -0.5, it will makes the generated random number to be in the range of -0.5 to 0.5.

Raymond

3

okay , thanks Raymond.