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Machine Learning

RL Math

February 13, 2025

Neural-network-based decentralized control of continuous-time nonlinear interconnected systems with unknown dynamics Global Value vs. Sub-goals by Policy Gradient Neuro-Dynamic Programming Gradient Methods Framework Policy Gradient Method for Hierarchical RL Policy Gradient HRL Policy Gradient HRL and Neuro-Dynamic Programming Policy Gradient Method for HRL The scanned draft files above contain handwritten mathematical formulas or tools, including… read more »

Hierarchical Policy Gradient Algorithms

January 15, 2025

Hierarchical Policy Gradient Algorithms Math Notation M : the overall task MDP. {M0, M1, M2 , M3 , . . . , Mn } : a finite set of subtask MDPs. Mi : subtask, models a subtask in the hierarchy. M0 : root task and solving it solves the entire MDP M. i : non-primitive subtask, paper uses… read more »

Hierarchical Actor-Critic

January 15, 2025

Hierarchical Actor-Critic Download Hierarchical_Actor-Critic Flowchart Terminology Artificial  intelligence Optimization/decision/control a Agent Controller or decision maker b Action Control c Environment System d Reward of a stage (Opposite of) Cost of a stage e Stage value (Opposite of) Cost of a state f Value (or state-value) function (Opposite of) Cost function g Maximizing the value function… read more »

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