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Active Inference — The Learn Arc, Part 50: Series capstone

ORCHESTRATE18h ago • 3 min read

Active Inference — The Learn Arc, Part 50: Series capstone

Fifty posts. Ten chapters. One framework. The Learn Arc closes with a reader's map, a short what-to-...

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Active Inference, The Learn Arc — Part 8: Chapter 7 — POMDPs, Sophisticated Planning, and Dirichlet Learning

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 8: Chapter 7 — POMDPs, Sophisticated Planning, and Dirichlet Learning

Chapter 7 is the muscle chapter. Full-colour POMDPs, belief-propagated tree search, Dirichlet-learne...

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Active Inference, The Learn Arc — Part 2: Chapter 1 — Perception, Action, Learning as One Loop

ORCHESTRATE20h ago • 6 min read

Active Inference, The Learn Arc — Part 2: Chapter 1 — Perception, Action, Learning as One Loop

The hero claim of the whole book: one variational rule explains both what you believe and what you d...

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Active Inference, The Learn Arc — Part 25: Session §4.3 — Expected Free Energy, Introduced Concretely

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 25: Session §4.3 — Expected Free Energy, Introduced Concretely

Chapter 4, §3. Chapter 3's abstract G(π) meets the A and C matrices and becomes an actual computatio...

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Active Inference, The Learn Arc — Part 23: Session §4.1 — States, Observations, Actions — The Three Lists

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 23: Session §4.1 — States, Observations, Actions — The Three Lists

Chapter 4, §1. Before you fill any matrices, you list three things: hidden states, observations, act...

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Active Inference, The Learn Arc — Part 13: Session §1.2 — Perception and Action, One Loop Up Close

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 13: Session §1.2 — Perception and Action, One Loop Up Close

The second session of Chapter 1. Open the Tiny Open Goal maze, press Step three times, and watch Per...

#activeinference#ai#elixir#cognition

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Active Inference, The Learn Arc — Part 1: Why I built a BEAM-native workbench for the Free Energy Principle

ORCHESTRATE20h ago • 5 min read

Active Inference, The Learn Arc — Part 1: Why I built a BEAM-native workbench for the Free Energy Principle

A 50-post series teaching Active Inference by building it. Part 1: the map. Native Jido on Elixir/OT...

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Active Inference, The Learn Arc — Part 11: Chapter 10 — Unified Theory of Sentient Behavior, Where the Theory Bends

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 11: Chapter 10 — Unified Theory of Sentient Behavior, Where the Theory Bends

Chapter 10 is the book's closer. Where does the unified theory go, and where does it bend? Perceptio...

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Active Inference, The Learn Arc — Part 21: Session §3.3 — The Softmax Policy and Its Precision Knob

ORCHESTRATE19h ago • 4 min read

Active Inference, The Learn Arc — Part 21: Session §3.3 — The Softmax Policy and Its Precision Knob

Chapter 3, §3. Softmax over −G/τ — and why that τ is a meaningful biological quantity, the hinge to ...

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Active Inference, The Learn Arc — Part 14: Session §1.3 — Why One Theory, and What the Book Covers

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 14: Session §1.3 — Why One Theory, and What the Book Covers

The third session of Chapter 1 closes the overview. Why Active Inference deserves "unified theory" b...

#activeinference#ai#elixir#learning

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Active Inference, The Learn Arc — Part 34: Session §6.3 — Run and Inspect, the Closing Workflow

ORCHESTRATE19h ago • 4 min read

Active Inference, The Learn Arc — Part 34: Session §6.3 — Run and Inspect, the Closing Workflow

Chapter 6's closer. Boot the custom agent, watch it run in Studio, read every signal in Glass. The w...

#activeinference#ai#debugging#elixir

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Active Inference, The Learn Arc — Part 16: Session §2.2 — Why Free Energy, and What the Bound Buys You

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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Active Inference, The Learn Arc — Part 19: Session §3.1 — Expected Free Energy in One Page

ORCHESTRATE19h ago • 4 min read

Active Inference, The Learn Arc — Part 19: Session §3.1 — Expected Free Energy in One Page

Chapter 3's opening. Expected Free Energy in its cleanest form. Risk plus ambiguity. The value of a ...

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Active Inference, The Learn Arc — Part 20: Session §3.2 — Epistemic vs Pragmatic Value

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 20: Session §3.2 — Epistemic vs Pragmatic Value

Chapter 3, §2. The two columns of Expected Free Energy, unpacked one at a time. When each dominates,...

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Active Inference, The Learn Arc — Part 5: Chapter 4 — A, B, C, D and the Generative Model You Can Actually Build

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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Active Inference, The Learn Arc — Part 7: Chapter 6 — Ship Your First Agent, in Six Steps

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 7: Chapter 6 — Ship Your First Agent, in Six Steps

Chapter 6 is the practical how-to. States, observations, actions, A/B/C/D, run, inspect. Every cookb...

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Active Inference, The Learn Arc — Part 10: Chapter 9 — Model-Based Data Analysis, Free Energy as Log Evidence

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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Active Inference, The Learn Arc — Part 4: Chapter 3 — The High Road, Where a Plan Has Two Columns of Cost

ORCHESTRATE20h ago • 6 min read

Active Inference, The Learn Arc — Part 4: Chapter 3 — The High Road, Where a Plan Has Two Columns of Cost

Chapter 3: Expected Free Energy. Why one softmax over risk + ambiguity makes an Active Inference age...

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Active Inference, The Learn Arc — Part 12: Session §1.1 — What Active Inference Actually Claims (Session-Depth)

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 12: Session §1.1 — What Active Inference Actually Claims (Session-Depth)

The depth arc begins. One 8-minute session from Chapter 1: what Active Inference claims, in four lea...

#activeinference#ai#elixir#learning

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Active Inference, The Learn Arc — Part 6: Chapter 5 — The Cortex as a Factor Graph, Neuromodulators as Precision Knobs

ORCHESTRATE19h ago • 5 min read

Active Inference, The Learn Arc — Part 6: Chapter 5 — The Cortex as a Factor Graph, Neuromodulators as Precision Knobs

Chapter 5 lands the theory on the brain. Predictive coding as message passing; ACh, NA, DA, 5-HT as ...

#activeinference#neuroscience#ai#elixir

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Active Inference, The Learn Arc — Part 18: Session §2.4 — Action as Inference, the Flip That Sets Up Chapter 3

ORCHESTRATE19h ago • 4 min read

Active Inference, The Learn Arc — Part 18: Session §2.4 — Action as Inference, the Flip That Sets Up Chapter 3

Chapter 2's final session. Let the observation be a free variable and free energy turns from a poste...

#activeinference#ai#planning#elixir

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Active Inference — The Learn Arc, Part 43: Session §8.4 — Continuous play

ORCHESTRATE18h ago • 3 min read

Active Inference — The Learn Arc, Part 43: Session §8.4 — Continuous play

The final Chapter 8 session. A continuous-time playground. Change precisions on the fly, poke the wo...

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Active Inference, The Learn Arc — Part 17: Session §2.3 — The Cost of Being Wrong

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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Active Inference, The Learn Arc — Part 33: Session §6.2 — A, B, C, D — Filling the Four Matrices

ORCHESTRATE19h ago • 4 min read

Active Inference, The Learn Arc — Part 33: Session §6.2 — A, B, C, D — Filling the Four Matrices

Chapter 6, §2. Fill A (sensor), B (transitions), C (preferences), D (initial prior). Four matrices, ...

#activeinference#ai#tutorial#elixir

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Tech Articles

Active Inference — The Learn Arc, Part 50: Series capstone

Active Inference, The Learn Arc — Part 8: Chapter 7 — POMDPs, Sophisticated Planning, and Dirichlet Learning

Active Inference, The Learn Arc — Part 2: Chapter 1 — Perception, Action, Learning as One Loop

Active Inference, The Learn Arc — Part 25: Session §4.3 — Expected Free Energy, Introduced Concretely

Active Inference, The Learn Arc — Part 23: Session §4.1 — States, Observations, Actions — The Three Lists

Active Inference, The Learn Arc — Part 13: Session §1.2 — Perception and Action, One Loop Up Close

Active Inference, The Learn Arc — Part 1: Why I built a BEAM-native workbench for the Free Energy Principle

Active Inference, The Learn Arc — Part 11: Chapter 10 — Unified Theory of Sentient Behavior, Where the Theory Bends

Active Inference, The Learn Arc — Part 21: Session §3.3 — The Softmax Policy and Its Precision Knob

Active Inference, The Learn Arc — Part 14: Session §1.3 — Why One Theory, and What the Book Covers

Active Inference, The Learn Arc — Part 34: Session §6.3 — Run and Inspect, the Closing Workflow

Active Inference, The Learn Arc — Part 16: Session §2.2 — Why Free Energy, and What the Bound Buys You

Active Inference, The Learn Arc — Part 19: Session §3.1 — Expected Free Energy in One Page

Active Inference, The Learn Arc — Part 20: Session §3.2 — Epistemic vs Pragmatic Value

Active Inference, The Learn Arc — Part 5: Chapter 4 — A, B, C, D and the Generative Model You Can Actually Build

Active Inference, The Learn Arc — Part 7: Chapter 6 — Ship Your First Agent, in Six Steps

Active Inference, The Learn Arc — Part 10: Chapter 9 — Model-Based Data Analysis, Free Energy as Log Evidence

Active Inference, The Learn Arc — Part 4: Chapter 3 — The High Road, Where a Plan Has Two Columns of Cost

Active Inference, The Learn Arc — Part 12: Session §1.1 — What Active Inference Actually Claims (Session-Depth)

Active Inference, The Learn Arc — Part 6: Chapter 5 — The Cortex as a Factor Graph, Neuromodulators as Precision Knobs

Active Inference, The Learn Arc — Part 18: Session §2.4 — Action as Inference, the Flip That Sets Up Chapter 3

Active Inference — The Learn Arc, Part 43: Session §8.4 — Continuous play

Active Inference, The Learn Arc — Part 17: Session §2.3 — The Cost of Being Wrong

Active Inference, The Learn Arc — Part 33: Session §6.2 — A, B, C, D — Filling the Four Matrices