gueltro

I have the same problem, I tried building the crate and I got this: ``` error[E0463]: can't find crate for `na` --> src/main.rs:4:1 | 4 | extern crate nalgebra as...

@sebcrozet I am sorry I was missing nalgebra = "0.16" in my toml file. I added it and the demo started smoothly. Thank you!