Dot product vs element-wise multiplication of arrays

[jenitta.jebaraj]

Hello @Laine_Wishart
Go through the below post. That answers your query.

Week 2 How to decide to use "*" or "np.dot( )" when calculating formula

I’ll try to answer that at a couple of different levels, since I’m not sure which level you’re asking about. High level first: the point is that what we are doing here is converting mathematical formulas into Linear Algebra operations and then converting those into python/numpy code. So the first step is that you have to understand what the math is telling you to do. Elementwise multiply (* or np.multiply) and dot product style matrix multiplication (np.dot) are completely different operations.…