Ethan Wu

### Review Mojo's priorities - [X] I have read the [roadmap and priorities](https://docs.modular.com/mojo/roadmap.html#overall-priorities) and I believe this request falls within the priorities. ### What is your request? Same to `@functools.cache`...

- [x] Rprop - [ ] NeuralODE - [x] OneHot

Allow `xj-xi` to be on the edges for faster computations

2

- [x] GNOConv - [ ] VMHConv - [x] MPPDEConv

remove `EdgeConv`

1

We can create a generalized conv layer. Pass a tuple of symbols for which we will take the difference, and for other features concatenate them all.