Tutorials#

Worked examples you can run end to end.

A verified first forecast

A photometric Fisher forecast with the built-in symbolic backend. Runs in seconds.

A verified first forecast
Plot a Fisher matrix

Draw a triangle plot from the forecast above, and compare several surveys.

Overview
Sample the posterior with Nautilus

Check a Fisher forecast against the full likelihood. The toy example takes five minutes or more on one core.

Likelihood sampling with Nautilus
JAXcosmo: autodiff and finite differences

Compare JAX AD, JAX FD and the standard pipeline, with a runnable SYREN comparison notebook.

JAXcosmo and automatic differentiation