docs fitting example math render

https://pyhdx.readthedocs.io/en/latest/examples/03_fitting.html


Open the linked 03_fitting.html example and compare its mathematical rendering with the attached image. Trace the example's documentation source from that page, then verify the relevant math displays correctly in the built documentation; done means the fitting example no longer shows the reported rendering problem.

Scritto dal modello di indicizzazione a partire dal testo della issue.