---
title: "Trajectory mathematical notation"
description: "Trajectory is a recurring research-paper notation family. Collects an ordered sequence of states, actions, and rewards generated by interaction between a…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/trajectory"
md_url: "https://fanout.sh/labs/math-decoder/symbol/trajectory.md"
last_updated: "2026-08-09"
access: "public"
---

# Trajectory mathematical notation

Trajectory is a recurring research-paper notation family. Collects an ordered sequence of states, actions, and rewards generated by interaction between a…

## Public overview

Trajectory is a recurring research-paper notation family. Collects an ordered sequence of states, actions, and rewards generated by interaction between a policy and environment.

Trajectory: Collects an ordered sequence of states, actions, and rewards generated by interaction between a policy and environment. Example: Bundle the full interaction history into one object.

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