# Homework 3 > National Tsing Hua University > Fall 2022 11110IPT 5530 > Deep Learning in Biomedical Optical Imaging ###### tags: `homework` `NTHU` :::info - **Deadline:** ⚠️2022.10.18 00:00 - **Name:** 石子豪 - **Student ID:** 110066851 ::: [ToC] ## 1. Initialization ### Exercise 1 - initialize_parameters_zeros ![](https://i.imgur.com/ldUVtNC.png) ![](https://i.imgur.com/9gP4R6l.png) ### Exercise 2 - initialize_parameters_random ![](https://i.imgur.com/wpOMTNp.png) ![](https://i.imgur.com/7ukVa4o.png) ### Exercise 3 - initialize_parameters_he ![](https://i.imgur.com/t5V3SHo.png) ![](https://i.imgur.com/oSR3rGW.png) ![](https://i.imgur.com/omoI5iJ.png) --- ## 2. Regularization ### Exercise 1 - compute_cost_with_regularization ![](https://i.imgur.com/ChASBtb.png) ![](https://i.imgur.com/y98G8wY.png) ### Exercise 2 - backward_propagation_with_regularization ![](https://i.imgur.com/1cuQSh5.png) ![](https://i.imgur.com/539AEzI.png) ![](https://i.imgur.com/p6FEaVo.png) ### Exercise 3 - forward_propagation_with_dropout ![](https://i.imgur.com/MjnjE81.png) ![](https://i.imgur.com/lSyvQwd.png) ![](https://i.imgur.com/6oGdysF.png) ![](https://i.imgur.com/OWqD21Z.png) ### Exercise 4 - backward_propagation_with_dropout ![](https://i.imgur.com/up8NjdZ.png) ![](https://i.imgur.com/9Av9su6.png) ![](https://i.imgur.com/bmy3kSE.png) --- ## 3. Gradient Checking ### Exercise 1 - forward_propagation ![](https://i.imgur.com/lBkFaoL.png) ![](https://i.imgur.com/GxgeyfY.png) ### Exercise 2 - backward_propagation ![](https://i.imgur.com/iCRYZHq.png) ![](https://i.imgur.com/OI77D7H.png) ### Exercise 3 - gradient_check ![](https://i.imgur.com/ZntMgyS.png) ![](https://i.imgur.com/HMRugUC.png) ![](https://i.imgur.com/oVVKzcu.png) ### Exercise 4 - gradient_check_n ![](https://i.imgur.com/lemVc2L.png) ![](https://i.imgur.com/ysMvXrJ.png) ![](https://i.imgur.com/psq4wr1.png) ![](https://i.imgur.com/kNbZ6QW.png) ### Exercise 5 (bonus w/o pt) - find/correct the errors I go back to check the backward_propagation_n() function, and find out the errors in dW2 & db1, and then correct them. ![](https://i.imgur.com/wpAjXqn.png) ![](https://i.imgur.com/IYvONc3.png)