Fred Chyan's personal blog - learning and sharing in public.https://fredchyan.github.io/https://fredchyan.github.io/posts/rl-series-policy-iteration/https://fredchyan.github.io/posts/rl-series-policy-iteration/A detailed walkthrough of the foundational model-based RL algorithms, Policy and Value Iteration, grounded in the mathematics of Markov Decision Processes and the Bellman Equation.Sat, 23 Aug 2025 10:30:00 GMThttps://fredchyan.github.io/posts/from-mle-to-variational-inference/https://fredchyan.github.io/posts/from-mle-to-variational-inference/A comprehensive exploration of the mathematical progression from maximum likelihood estimation through latent variable models to advanced variational inference techniques, including practical VAE implementations and extensions.Sun, 10 Aug 2025 12:00:00 GMThttps://fredchyan.github.io/posts/autoregressive-generative-models/https://fredchyan.github.io/posts/autoregressive-generative-models/A deep dive into the fundamentals of generative modeling, exploring how chain rule factorization solves the curse of dimensionality and enables everything from Bayesian networks to modern Transformers.Wed, 06 Aug 2025 10:30:00 GMT