W 2 A2 |Ex-8 - Value error: shapes (1,4) and (2,3) not aligned: 4 (dim 1) != 2 (dim 0)

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

I have passed all the previous tests but in exercise 8 I have an error regarding a previous exercise:
ValueError: shapes (1,4) and (2,3) not aligned: 4 (dim 1) != 2 (dim 0)
I think there is an error when I did np.dot in some previous exercise, but i have passed them all.
Thank you.

2

If your previous functions passed their tests, they can still throw errors if you pass them bad arguments. So the place to look for the bug is in your model code. Are you referencing global variables there for example?

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3

That was the mistake. Already solved! Thank you very much

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