Nii-MALA: A Fast Metropolis-Adjusted Langevin Sampler with Radial Velocity Benchmarks

arXiv:2609.15112 · astro-ph.IM, astro-ph.EP, stat.CO · Submitted 2026-09-14 · Read on arXiv

astro-ph.IM, astro-ph.EP, stat.CO

Submitted: 2026-09-14

Updated: 2026-09-14

Comments: Accepted for publication in PASP

Code: https://github.com/jianjiao-ah/Nii-MALA

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Benchmark — 35× in this paper · explained in 2 episodes
• Bayesian Inference — 5× in this paper · explained in 5 episodes
• Metropolis-Adjusted Langevin Algorithm — 3× in this paper
• Core — 2× in this paper · explained in 2 episodes
• Bayesian Framework — 1× in this paper · explained in 3 episodes
• Benchmarking — 1× in this paper · explained in 4 episodes
• Hamiltonian Monte Carlo — 1× in this paper

Sources

• BlackJAX: Composable Bayesian inference in JAX
• MCMC for multi-modal distributions
• Nii-body: Bayesian Inference of Multiplanet Dynamics via N-body Simulations
• The Illusory Precision of TTV Masses: Hidden Solutions Behind Kepler-9's Tight Mass Ratio

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