hi , i got an error: local variable ‘dA_prev’ referenced before assignment i don’t know what this mean, i just did input “dAL, current_cache = caches[L-1]” for sigmoid to function linear_activation_backward as guided and input “grads[“dA” + str(l + 1)], current_cache = caches[l]” to function …

Hi Lucy, I have already replied to this query on the other thread. [image] W4-Exercise 9 - L_model_backward dA_prev Neural Networks and Deep Learning pls delete after i got the answer You are misspelling ‘sigmoid’. Please make the changes and pass the test. If that …

Exercise 9 - L_model_backward dA_prev referenced before

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

Rashmi May 19, 2022, 7:52am 4

Hi Lucy,

I have already replied to this query on the other thread.

You are misspelling ‘sigmoid’. Please make the changes and pass the test.

If that doesn’t work, let me know

Happy Learning!

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Exercise 9 - L_model_backward dA_prev referenced before

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