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Federico Toso


Last seen: Today Active since 2022

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Learning rate schedule - Reinforcement Learning Toolbox
The current version of Reinforcement Learning Toolbox requires to set a fixed learning rate for both the actor and critic neural...

11 days ago | 1 answer | 0

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PPO Agent training - Is it possible to control the number of epochs dynamically?
In the deault implementation of PPO agent in Matlab, the number of epochs is a static property that must be selected before the ...

11 days ago | 1 answer | 0

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PPO Agent - Initialization of actor and critic newtorks
Whenever a PPO agent is initialized in Matlab, according to the documentation the parameters of both the actor and the critic ar...

11 days ago | 1 answer | 0

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Use current simulation data to initialize new simulation - RL training
In the context of PPO Agent training, I would like to use Welford algorithm to calculate the runninig average & and standard dev...

11 days ago | 0 answers | 0

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Minibatches construction for PPO agent in parallel syncronous mode
If I understood correctly the documentation, when a PPO agent is trained in parallel syncronous mode each worker sends its own e...

22 days ago | 1 answer | 0

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PPO minibatch size for parallel training with variable number of steps
I'm training a PPO Agent in sync parallelization mode. Because of the nature of my environment, the number of steps is not the ...

1 month ago | 1 answer | 0

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Parallel Training of Multiple RL Agents in same environment
In the context of Reinforcement Learning Toolbox, it is possible to set "UseParallel" to "true" within "rlTrainingOptions" in or...

1 month ago | 1 answer | 0

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Advantage normalization for PPO Agent
When dealing with PPO Agents, it is possibile to set a "NormalizedAdvantageMethod" to normalize the advantage function values fo...

1 month ago | 1 answer | 0

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Training Reinforcement Learning Agents --> Use ResetFcn to delay the agent's behaviour in the environment
I would like to train my RL Agent in an environment which is represented by an FMU block in Simulink. Unfortunately whenever a ...

2 months ago | 1 answer | 0

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FMU Cosimulation using imported variable-step solver
I have a model in Dymola which runs properly (in terms of speed & accuracy) if I use a local variable-step solver. I imported i...

2 months ago | 1 answer | 0

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Simulink Code Generation Workflow for Subsystem
In my understanding, if all blocks in a Simulink subsystem support Code Generation, than it is possible to treat the whole subsy...

5 months ago | 1 answer | 0

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Maximixe output of Neural Network After training
Suppose that I've successfully trained a neural network. Given that the weights are now fixed, is there a way to find the input ...

5 months ago | 2 answers | 0

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answers

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Documentation about centralized Learning for Multi Agent Reinforcement Learning
I know that it is now possibile in Mathworks to train multiple agents within the same environment for a collaborative task, usin...

5 months ago | 1 answer | 0

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Reinforcement Learning - PPO agent with hybrid action space
I have a task which involves both discrete and continuous actions. I would like to use PPO since it seems suitable in my case. ...

5 months ago | 1 answer | 0

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Reinforcement Learning - SAC with hybrid action spaces
Current implementation of Soft Actor Critic algorithm (SAC) in Matlab only applies to problems with continuous action spaces. I...

6 months ago | 1 answer | 0

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Access variable names for Simscape block through code
I would like to access the name of the variables of a generic Simscape block which is used in my model. The function "get_param...

8 months ago | 1 answer | 0

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Stateflow states ordering in Data Inspector
When you use a Stateflow chart within Simulink framework, there is the possibility to log the active state. Then, once the simul...

10 months ago | 1 answer | 0

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Number of variables vs number of equations in Simscape components
When I define a new custom component in Simscape, as a general rule I take care that the number of equations in the "equations" ...

1 year ago | 1 answer | 0

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Corrective action after Newton iteration exception
During a typical Simulink simulation, if a variable-step solver is used, when the error tolerances are not satisfied the solver ...

1 year ago | 1 answer | 0

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Details of daessc solver
Matlab has a lot of ODE solvers available and each of them is properly documented. However, when it comes to the "daessc" solve...

1 year ago | 1 answer | 2

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Why should I tighten error tolerances if I am violating minimum stepsize?
The followiing is a typical warning message of Simulink that can be displayed after a model has been simulated: "Solver was u...

1 year ago | 1 answer | 0

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Simscape - Transient initialization vs Transient Solve
According to the Workflow presented here, Transient Initialization and Transient Solve are the last phases of Simscape Simulatio...

1 year ago | 1 answer | 0

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Access Simscape data in Simulation Manager
I performed multiple simulations of my model using the "Multiple simulations" option in Simulink. My "Design study" is very simp...

1 year ago | 0 answers | 0

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Simulink keyboard shortcut for connection
I searched the documentation but could not find any keyboard shortcut to connect Simulink blocks without the aid of the mouse. ...

2 years ago | 1 answer | 1

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Proper system linearization for tracking problems
I am familiar with the Model linearization tool provided by Matlab, which allows to linearize systems around a specific operatin...

2 years ago | 1 answer | 0

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