Mateusz Pusz

@burnpanck, I fixed all the CI issues today. If you could rebase to master, we would see this change's real CI status.

@burnpanck, do you still plan to work on your PRs?

Hi @burnpanck! Do you plan to work on those in the near future. I plan to release mp-units 2.3 soon.

> Should tensors of arbitrary rank be supported, or will the rank be capped, since most "normal" physics does not require more than rank-4 tensors? (Even those are rather rare....

> When you speak of inner products between tensors or a tensor and a vector, do you actually mean contractions? So, e.g., if a_ij, and b_jk denote the components of...

> What do you mean with "scalar product of two tensors"? ISO 80000-2 defines a scalar product of two tensors T and S of the second order as $T :...

> Why artificially limit to 3 dimensions? My understanding is that ISQ talks only about Cartesian (orthonormal) coordinates in ordinary space. This even means that we do not have to...

To be clear, I do not want to invent a new full-blown LA library here. We need two simple types working on three components (possibly also less) and a bunch...

Those types are only meant to be used as representation types of vectors and tensor quantities in this library and will mostly be useful for our unit testing and examples....

Welcome @Jullija! It is great to have you on board! 🙌 You can start from the [Introduction](https://mpusz.github.io/mp-units/latest/getting_started/introduction/) chapter of our docs. [Contributing guide](https://mpusz.github.io/mp-units/latest/getting_started/contributing) is particularly useful here. If you encounter...