QuTiP in the browser

[Simon Cross]

Greetings,

I was at SciPy 2022 a couple of weeks ago, and one of the serendipitous events was that I met up with the amazing team from QuantStack [1] who are building amazing things like emscripten-forge [2, 3] which is like conda-forge but for deploying the scientific Python stack to Web Assemble, which means one can run software like QuTiP entirely in the browser using, e.g., Jupyterlite.

With a lot of help from Wolf and Martin on the QuantStack team, QuTiP is now available to try in the browser!

Just click on https://hodgestar.github.io/try-qutip/.

NB: You'll need to always use the XPython kernel, NOT the PyIodide one to run QuTiP.

Once it loads, you should see a tutorials folder on the left. You can open some of the tutorial notebooks from there.

Since this is all very beta, there are some caveats and rough edges:

- I've only tried this in Firefox. I have no idea how well it works on other browsers.

- Remember to use the XPython kernel.

- Notebooks are slow to start, but performance is not too bad after that.

Bug reports and feedback welcome here and by creating issues or PRs at https://github.com/hodgestar/try-qutip/.

You can find the qutip emscripten-forge package at https://beta.mamba.pm/channels/emscripten-forge/packages/qutip.

I'm hoping this will be particularly useful in all sorts of places where installing QuTiP is a bit of a barrier. Once it's a bit more stable and polished, we can consider moving it to qutip.org.

[1] https://quantstack.net/

[2] https://github.com/emscripten-forge/recipes

[3] https://beta.mamba.pm/channels/emscripten-forge/packages/?tab=packages

At your service,

Simon Cross

[Paul Nation]

This is very cool!

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