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train and simulate reinforcement learning agents

during training, the agent continuously updates its parameters to learn the optimal policy for a given environment. during simulation, the agent receives observations and a reward from the environment, and returns an action to the environment without updating its parameters.

reinforcement learning toolbox™ provides functions for training agents and validating the training results through simulation. for an introduction to training and simulating agents, see train reinforcement learning agents.

apps

reinforcement learning designer

design, train, and simulate reinforcement learning agents (since r2021a)

functions

train agents

`train`	train reinforcement learning agents within a specified environment (since r2019a)
`rltrainingoptions`	options for training reinforcement learning agents (since r2019a)
`rlmultiagenttrainingoptions`	options for training multiple reinforcement learning agents (since r2022a)
`trainwithevolutionstrategy`	train ddpg, td3 or sac agent using an evolutionary strategy within a specified environment (since r2023b)
`rlevolutionstrategytrainingoptions`	options for training off-policy reinforcement learning agents using an evolutionary strategy (since r2023b)
`inspecttrainingresult`	plot training information from a previous training session (since r2021a)

train agents offline

`trainfromdata`	train off-policy reinforcement learning agent using existing data (since r2023a)
`rltrainingfromdataoptions`	options to train reinforcement learning agents using existing data (since r2023a)
`inspecttrainingresult`	plot training information from a previous training session (since r2021a)

evaluate agents during training

`rlevaluator`	options for evaluating reinforcement learning agents during training (since r2023b)
`rlcustomevaluator`	custom object for evaluating reinforcement learning agents during training (since r2023b)

log data

`rldatalogger`	create either a file logger object or a monitor logger object to log training data (since r2022b)
`rldataviewer`	open reinforcement learning data viewer tool (since r2023a)
`filelogger`	log reinforcement learning training data to mat-files (since r2022b)
`monitorlogger`	log reinforcement learning training data to monitor window (since r2022b)
`trainingprogressmonitor`	monitor and plot training progress for deep learning custom training loops (since r2022b)
`setup`	set up reinforcement learning environment or initialize data logger object (since r2022a)
`store`	store data in the internal memory of a (file or monitor) logger object (since r2022b)
`write`	transfer stored data from the internal logger memory to the logging target (since r2022b)
`cleanup`	clean up reinforcement learning environment or data logger object (since r2022a)

simulate agents

`sim`	simulate trained reinforcement learning agents within specified environment (since r2019a)
`rlsimulationoptions`	options for simulating a reinforcement learning agent within an environment (since r2019a)

custom training

`rloptimizer`	creates an optimizer object for actors and critics (since r2022a)
`runepisode`	simulate reinforcement learning environment against policy or agent (since r2022a)
`setup`	set up reinforcement learning environment or initialize data logger object (since r2022a)
`cleanup`	clean up reinforcement learning environment or data logger object (since r2022a)
`future`	object that supports deferred outputs for reinforcement learning environment simulations running on workers (since r2022a)
`fetchnext`	retrieve next available unread outputs from a reinforcement learning environment simulations running on workers (since r2022a)
`fetchoutputs`	retrieve results from all reinforcement learning environment simulations running on workers (since r2022a)
`cancel`	cancel unfinished reinforcement learning environment simulations on workers (since r2022a)
`wait`	wait for reinforcement learning environment simulations running on a workers to finish (since r2022a)

blocks

rl agent	reinforcement learning agent (since r2019a)
policy	reinforcement learning policy (since r2022b)

topics

use the reinforcement learning designer app

design and train agent using reinforcement learning designer
design and train a dqn agent for a cart-pole system using the reinforcement learning designer app.
specify training options in reinforcement learning designer
interactively specify options for training reinforcement learning agents using the reinforcement learning designer app.
specify simulation options in reinforcement learning designer
interactively specify options for simulating reinforcement learning agents using the reinforcement learning designer app.

training and simulation basics

train reinforcement learning agents
find the optimal policy by training your agent within a specified environment.
train reinforcement learning agent in basic grid world
train q-learning and sarsa agents to solve a grid world in matlab^®.
train reinforcement learning agent in mdp environment
train a reinforcement learning agent in a generic markov decision process environment.
create simulink environment and train agent
train a controller using reinforcement learning with a plant modeled in simulink^® as the training environment.
train reinforcement learning agent for simple contextual bandit problem
train q and dqn agents to solve a contextual bandit problem.

training and simulation advanced

create dqn agent using deep network designer and train using image observations
create a reinforcement learning agent using the deep network designer app from the deep learning toolbox™.
log training data to disk
log a variety of data to disk while training an agent.
train agent or tune environment parameters using parameter sweeping
tune a ddpg agent using hyperparameter sweeping.
train reinforcement learning agent offline to control quanser qube pendulum
train td3 agent offline to control a quanser qube pendulum.
train biped robot to walk using evolution strategy
train td3 agent using evolutionary strategy.

use multiple processes and gpus

train agents using parallel computing and gpus
accelerate agent training by running simulations in parallel on multiple cores, gpus, clusters or cloud resources.
train ac agent to balance cart-pole system using parallel computing
train a ac agent for a discrete action space environment using asynchronous parallel computing.
train dqn agent for lane keeping assist using parallel computing
train a dqn agent for an automated driving application using parallel computing.

multi-agent training

train multiple agents to perform collaborative task
train two continuous action space ppo agents to collaboratively move an object.
train multiple agents for area coverage
train three discrete action space ppo agents to explore a grid-world environment in a collaborative-competitive manner.
train multiple agents for path following control
train a dqn and a ddpg agent to collaboratively perform adaptive cruise control and lane keeping assist to follow a path.

develop custom agents and training algorithms

train reinforcement learning policy using custom training loop
train a reinforcement learning policy using your own custom training loop.
create and train custom pg agent
create a custom pg agent and train it using the built-in train function.
create and train custom lqr agent
create a custom agent that solves an lqr problem and train it using the built-in train function.
custom training loop with simulink action noise
use a custom training loop to train a continuous action space reinforcement learning policy in simulink when action noise is generated within the model.

train model based policy optimization agents

train mbpo agent to balance cart-pole system
a model-based reinforcement learning agent learns a model of its environment that it can use to generate additional experiences for training.
model-based reinforcement learning using custom training loop
create a model-based reinforcement learning agent using a custom training loop.