I have a problem with my code week2

Course Q&A Deep Learning Specialization Neural Networks and Deep Learning
1

in the exercise 5 I have this:

[code removed - moderator]

but I have the error:
ValueError: shapes (1,3) and (1,3) not aligned: 3 (dim 1) != 1 (dim 0)

someone help me please!!!

2

Dot product can be performed only when inner dimensions match. Please brush up on matrix multiplication and understand how to use the transpose operation correctly.

3

Here’s a thread which discusses the issues here. Please have a look and see if that sheds any light.