DPDhairya Pathakindhairyapathak.hashnode.dev·1d ago · 4 min readBuilding a Neural Network from Scratch in Pure NumPy: What Frameworks Hide From YouIf you have ever trained a deep learning model, you have probably written these lines of code: output = model(inputs) loss = criterion(output, labels) loss.backward() optimizer.step() It is clean, co00