看了吴恩达新版的ML课程,到梯度下降部分时,我在Jupyter Notebook上尝试复现其代码,结果出现了下列的错误。

求指正!
完整代码链接:https://github.com/kaieye/2022-Machine-Learning-Specialization/blob/main/Supervised%20Machine%20Learning%20Regression%20and%20Classification/week1/work/C1_W1_Lab05_Gradient_Descent_Soln.ipynb
https://github.com/kaieye/2022-Machine-Learning-Specialization/blob/main/Supervised%20Machine%20Learning%20Regression%20and%20Classification/week1/work/lab_utils_uni.py