In the tutorial of week 3 “Shallow Neural Network”, tutorial Computing a Neural Network’s Output: It is shown that the matrix size of w[1] is (4 x 3), timestamp 4:07. Is it because the input that we’re providing is 3? If someone could explain it a bit better, it would be really helpful for me to …

Week 3, Video 3: Understanding matrix size

paulinpaloalto September 8, 2022, 5:32pm 3

Here’s a thread which explains what is going on there in more details.

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