C1_W3_Logistic_Regression_lab

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

C1_W3_Logistic_Regression
Excercise-6
IndexError Traceback (most recent call last)
in
5
6 lambda_ = 0.5
----> 7 dj_db, dj_dw = compute_gradient_reg(X_mapped, y_train, initial_w, initial_b, lambda_)
8
9 print(f"dj_db: {dj_db}", )

in compute_gradient_reg(X, y, w, b, lambda_)
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22 dj_dw_j_reg =dj_dw_j_reg = (lambda_ / m) * w[j]
—> 23 dj_dw[j] = dj_dw[j] + dj_dw_j_reg
24
25 return dj_db, dj_dw

IndexError: invalid index to scalar variable.

3

This means that in compute_gradient_reg(), your dj_dw variable is a scalar, instead of being a vector.

4

how to coorect it

5

Look at your code and determine why the dj_dw variable is the wrong size and shape.