I want ask for advice or insight as to why my MCMC chains could be stuck even when using HMC on a uni-modal posterior. I’m doing parameter calibration of pedestrian models (systems of non-linear ODEs) using Turing.jl. If we generate synthetic data using the model, then inferring the parameters from…

Turing.jl/MCMC: Chains getting stuck

Sahil_Khan January 30, 2025, 12:30pm 9

I have similar issue posted here.

So, what exactly solved your issue?