How to train a NN model to fit a quadratic function (y = x^2)?

[ste (Stefano Giomo)]

Polinomial fit in part one.

Lesson 2 In-Class Discussion

I’ve extended the sgd notebook of lesson 2 to polynomial fitting: [image] That wasn’t easy and I was stuck with an error on the “update” function… But solving it, I 've got a better understanding of PyTorch mechanics: in particular the difference between constant tensors (without gradient) and parameters (differentiable - with “gradient”).