Cassandra Granade

Thanks for the review, @astafan8! I'll edit the description accordingly, then.

> @cgranade Thank you for the detailed write-up. No worries, thanks for giving it a readthrough! > I have some questions below. I have my own ideas of answers to...

@hodgestar @jakelishman I'd be happy to join a call, when works well on your end?

@hodgestar @jakelishman @Ericgig Thanks for a fascinating discussion yesterday! I put together a (very) rough draft at #1687 to try and flesh out some of the ideas we discussed. Thank...

Part of the new superoperator support is covered in `guide_tensor.rst`, but there needs to be a much more complete guide to `to_chi`, `to_choi`, `to_super` and `to_kraus`, as well as of...

- [x] Explain Kraus, Choi and $\chi$ representations. - [x] Explain Pauli-Liouville Hinton diagrams. - [ ] Give example of deriving $T_2$ process and representing as Liouvillian, plot measurements on...

- [ ] Document new user-modifiable settings (`log_handler`, `colorblind_safe`). - [ ] Document new `.qutiprc` format, OS-dependent location. - [ ] Document new unmodifiable settings (`fortran`, `umfpack`, `ipython`).

> @cgranade I'm really liking the overall look of the Instrument class -- it's a much easier way to deal with measurements than calling the measurement operations all the time...

> @cgranade When we initially talked about this, we also spoke about storing Kraus superoperators with it, but it's not completely clear to me whether this route covers that case....

@hodgestar Apologies for taking as long, but went on and rebased my PR to 5.0 and addressed some of your comments. In particular, factory methods have been moved out into...