Week 3: computing derivatives for shallow network

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

I am having difficulty to derive the formula for dz1 in the slides.

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anyone can give some hints on the derivation of dz1?

Thanks a lot.

2

Here’s a thread with links to the derivations of back propagation and references about matrix calculus. That link is on the FAQ Thread b.t.w., so it might be worth taking a look at that to see what else is referenced there.

3

Many thanks. will do as suggested!