Link to the classroom item you are referring to: https://www.coursera.org/learn/neural-networks-deep-learning/lecture/6dDj7/backpropagation-intuition-optional ) I am not clear on why there is an element wise operator in the definition of dZ[1] and not the usual matrix multiplication. Please can …

Element wise operator in dZ[1]

saifkhanengr June 10, 2025, 2:25pm 2

Answered here.

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