Using my code
Copyright (c) 2026 Saswata Bhattacharyya.
Effective date: October 7, 2026.

These conditions apply to my original code on this website and in its
code downloads.

You may download, run, copy, modify and share my code free of charge for
noncommercial teaching, learning and demonstrations. Acknowledge me and
link to the source. Keep my copyright notice and these conditions with
copies and adaptations, and identify your changes.

Research, including academic research, and commercial use require my
explicit written permission. This includes research calculations and use
within a research or commercial program. A citation alone is not permission.
Write to saswata_at_msme.iith.ac.in (replace _at_ with @), identify the code
and version, and describe your intended use.

Copies already released under another license retain that license.
Third-party code and dependencies retain their own licenses and any
applicable distribution requirements. Separate research repositories
follow the terms supplied with them. Rights provided by law and GitHub's
viewing and forking terms are unchanged. I provide the code without warranty.

This is the code notice from Using my resources:
https://saswataiith.github.io/using-my-resources/
That page also explains the separate terms for my notes and figures.