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GCats


Last seen: 1 year ago |  Active since 2020

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How to actively see signals in scopes while RL agent is training?
Hello everyone, I'm working on a project where a RL agent in a Simulink model is getting trained to track a signal. During tra...

2 years ago | 1 answer | 0

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answer

Question


Multiple goals in Grid World
Hello everyone, Is it possible to train the agent to reach different goals in the same episode? I'm working with the standard ...

3 years ago | 1 answer | 0

1

answer

Question


Visualize policy in Grid World
hi all! I would like to visualize the policy followed by my q-agent in the Grid World environment in a way similar to this (htt...

3 years ago | 1 answer | 0

1

answer

Question


Randomized position of obstacles in Grid World
Hello everyone! I'm working on training a Q-learning agent using a standard 5x5 gridworld environment. I would like to implemen...

3 years ago | 1 answer | 1

1

answer

Question


Grid World on Simulink
Hello everyone! I'd like to apply some contrained optimization on the Grid World environment (https://nl.mathworks.com/help/rei...

3 years ago | 1 answer | 0

1

answer

Question


DDPG agent for swinging pole environment on Matlab
Hi everyone! I'm using the set swinging pole environment on Matlab and set up my agent according to this article https://nl.mat...

3 years ago | 0 answers | 0

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answers

Question


Train a DDPG agent to swing a pole with constraints
Hello everyone! I'm currently working with the pendulum enviroment and the DDPG agent described in this document: https://nl.m...

3 years ago | 0 answers | 0

0

answers

Question


Array division of two non-zero arrays returns zero
Hi everyone! I have 2 very long arrays X and Y (each with dimensions 16384x1) with the first one with values in the range 0.230...

3 years ago | 1 answer | 0

1

answer

Question


Reshaping and sizing a matrix
Hi all, I have two matrices with dimensions A = [4096x2], B = [16384x2]. The first column shows frequency range in Hz, the seco...

3 years ago | 1 answer | 0

1

answer

Question


Color gradient for graph in a for loop
Hi everyone! I'm plotting 3 force vs displacement plots in the same picture. For one of the lines in the plot, i'd like the col...

3 years ago | 2 answers | 0

2

answers

Question


Surf and reshape for 4D plot
Hi all, I would like to make a plot using surf. I have a time vector with 17281x1, frequency of 17281x1, and a signal of 161x1...

3 years ago | 0 answers | 0

0

answers

Question


Spectrogram of known frequency signal
Hi all, I need to generate a spectrogram for a frequency signal which I constructed by selecting only certain parts of diffrer...

3 years ago | 1 answer | 0

1

answer

Question


ode15s and 0de23 very slow at high frequencies
Hi all! I have a SDOF mass + non-linear spring system excited by a sine wave. I am solving for the displacement of the system...

3 years ago | 2 answers | 0

2

answers

Question


How to select one period in non-linear system response?
Hi all, I have a non-linear SDOF system excited by a sine wave with increasing frequency: y = y0 *sin(2*pi*fe*t) and I'm usi...

3 years ago | 0 answers | 0

0

answers

Question


Keeping values of function when solving ODE
Hello everyone! I have a function describing a SDOF state space with a sinusoidal input y in one script as follows: function d...

3 years ago | 1 answer | 0

1

answer

Question


Question over pseudo algorithm
Hi all! I'm trying to convert this pseudo algorithm into code. Essentially, I am solving a differential equation with ode45 w...

3 years ago | 1 answer | 0

1

answer

Question


Saving a variable in a .mat file
Hello everyone, I have a .m file where a function runs and outputs a series of variables. Right now, I am saving one values ...

4 years ago | 1 answer | 0

1

answer

Question


Choose randomly between two functions
Hello! I'm implementing a Double Q-Learning Algorithm to the pendulum-v0. I'm looking at the pseudocode and there's one part o...

4 years ago | 1 answer | 0

1

answer

Question


Environment for Reinforcement Learning Project
Hi everyone! I'm currently looking to work on a small Reinforcement Learning project. Friends have reccomended the OpenAI Gym (...

4 years ago | 1 answer | 1

1

answer

Question


Color filling between lines in figure
Hi! I have a plot where the intersection of some lines form a shape, and I'd like to fill in this area with a color to show a ...

4 years ago | 1 answer | 0

1

answer

Question


Sizing in subplot()
Hi! I'm plotting 6 graphs using the subplot() command. I'd like 3 rows and 2 columns, however all the graphs are squeezed at th...

4 years ago | 2 answers | 0

2

answers

Question


alternative form for find(max(x))
Hi all! I am trying to optimize my program by reducing the nested coding and perhaps "slow" functions such as find(). I have t...

4 years ago | 1 answer | 0

1

answer

Question


Discretization of position and velocity
Hey all, I need to discretize the states x (x(1) is position, x(2) is velocity) in a function called dicretize. function s = ...

4 years ago | 1 answer | 0

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