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ORCHESTRATE20h ago • 5 min read
Active Inference, The Learn Arc — Part 3: Chapter 2 — The Low Road from Bayes to Free Energy
Chapter 2 derives variational free energy from one coin flip. Bayes' rule, the free-energy bound on ...
#activeinference#bayesian#math#elixir
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ORCHESTRATE19h ago • 4 min read
Active Inference, The Learn Arc — Part 16: Session §2.2 — Why Free Energy, and What the Bound Buys You
Chapter 2's second session. Bayes' intractable evidence meets KL divergence. Variational free energy...
#activeinference#bayesian#math#elixir
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ORCHESTRATE19h ago • 5 min read
Active Inference, The Learn Arc — Part 10: Chapter 9 — Model-Based Data Analysis, Free Energy as Log Evidence
Chapter 9 flips Active Inference from theory-of-brains to tool-for-studying-brains. Free energy as m...
#activeinference#bayesian#ai#elixir
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ORCHESTRATE20h ago • 7 min read
Active Inference, The Learn Arc — Part 5: Chapter 4 — A, B, C, D and the Generative Model You Can Actually Build
Chapter 4 makes the theory concrete. A/B/C/D matrices, Eq. 4.13 belief updates, Eq. 4.14 policy post...
#activeinference#pomdp#bayesian#elixir
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ORCHESTRATE19h ago • 4 min read
Active Inference, The Learn Arc — Part 17: Session §2.3 — The Cost of Being Wrong
Chapter 2, §3. Free energy decomposes into complexity plus accuracy. What "cost" means when your gen...
#activeinference#bayesian#math#elixir
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ORCHESTRATE19h ago • 5 min read
Active Inference, The Learn Arc — Part 24: Session §4.2 — The A Matrix, Where Perception Lives
Chapter 4, §2. P(o|s) gets shape. Deterministic, noisy, and learned sensors. The column-stochastic A...
#activeinference#bayesian#ai#elixir
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ORCHESTRATE19h ago • 5 min read
Active Inference, The Learn Arc — Part 15: Session §2.1 — Inference as Bayes' Rule, and the Hole Free Energy Fills
Chapter 2's first session. Bayes' rule from the perspective of the observer — posterior, likelihood,...
#activeinference#bayesian#math#elixir
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