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Shubham


Last seen: 15 days ago Active since 2023

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  • 6 Month Streak
  • Knowledgeable Level 3
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Whether code generation to dSPACE for reinforcement learning (DQN) agent is supported in MATLAB 2021a?
Hi Praveen, Deploying Deep Q-Networks (DQN) or other deep reinforcement learning agents directly onto dSPACE hardware for real-...

15 days ago | 0

Answered
What is the fcnLossLayer in the generatePolicyFunction network and how can I implement it myself?
Hi Szilard, Your approach to using a regression layer in place of the FcnLossLayer for exploitation purposes in your Soft Actor...

15 days ago | 1

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Answered
Reinforcement Learning with Simulink: timeout an episode
Hi Tobias, To manage simulations that run indefinitely due to certain hyperparameter configurations in a parallel loop (parfor)...

17 days ago | 0

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I couldn't get a good value of R2 and MAPE for each train sets are above 1%-5% (assuming MAPE coding maybe something wrong). Any suggestions to optimise beside hidden neuron?
Hi Angelina, Improving the performance (R2 and error values) of an Artificial Neural Network (ANN) model involves multiple aspe...

17 days ago | 0

Answered
How to format sequences to store in experience buffer for DRQN?
Hi Imola, To handle sequences in the replay buffer for Deep Recurrent Q-Networks (DRQN) within a Partially Observable Markov De...

17 days ago | 0

Answered
How can I reduce the size of polygon map from shapefile by some distance?
Hi Jay, Creating a boundary that is a certain distance away from a given path on a map involves a process known as buffering. B...

19 days ago | 0

Answered
What is the reason that GoogleNet takes less time than MobileNetv2 and EfficientNet-b0 for feature extraction from a set of images?
Hi Navneet, The inference time or the time taken per frame for feature extraction by different pre-trained networks like GoogLe...

19 days ago | 0

Answered
How to exclude/remove ribcage shadow in an Xray image?
Hi Arturo, Removing the shadow of the rib cage in X-ray images to enhance segmentation and analysis can be approached through s...

22 days ago | 0

Answered
Linking two list boxes and a push button for plotting graph.
Hi Tan Kye, Your MATLAB GUI code outlines the structure for a graphical user interface but is missing the specific implementati...

23 days ago | 0

Answered
Why does Simulink ignore breakpoints in nested functions (r2020a)?
Hi David, Debugging MATLAB functions within Simulink models can sometimes be tricky, especially when dealing with nested functi...

23 days ago | 0

Answered
What does it represent the second vector in solinit?
Hi Elia, In MATLAB, when solving Boundary Value Problems (BVPs) for Ordinary Differential Equations (ODEs) using bvp4c, the ini...

24 days ago | 0

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Matlab To Snowflake Data Warehouse
Hi Chirag, Connecting MATLAB to a Snowflake data warehouse involves using database connectivity and JDBC (Java Database Connect...

24 days ago | 0

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How to perform cross-validation in fitcauto function in Machine Learning?
Hi Sahil, Yes, you can use fitcauto with cross-validation in MATLAB. While the fitcauto function itself is designed to automati...

25 days ago | 0

Answered
Classification task for speech competence in Deep Learning context
Hi Joel, Your project is tackling a complex and socially impactful problem, and it sounds like you've made significant progress...

25 days ago | 0

Answered
Error with index exceeding array bound
Hi Connor, The error message you're encountering indicates that at some point in your code execution, the index app.fws_x is ex...

26 days ago | 0

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Neural Network form Parameters to Simple Image Generation
Hi Daniele, Generating black and white images of squares with specific parameters using a neural network in MATLAB involves sev...

26 days ago | 0

Answered
kfoldLoss() values have inconsistent precision between different iterations of a loop
Hi Leon, The phenomenon you're observing, where seemingly identical operations result in tiny precision differences, can indee...

29 days ago | 0

Answered
mask rcnn does not detect mask
Hi 영훈 정, When you encounter a situation where the Mask R-CNN model is able to recognize and distinguish boxes and labels corre...

29 days ago | 0

Answered
change search range of response optimization
Hi Nathaniel, In Simulink's Response Optimizer, the step size or increment by which the variables change during optimization d...

29 days ago | 0

Answered
Optimization of 5 parameters within a for loop and if statement
Hi Joannes, To optimize parameters such as gain, a1, a2, b1, and b2 in MATLAB using fminsearch or fminsearchbnd (for bounded op...

29 days ago | 0

Answered
Unrecognized function or variable " " , when I use my function
Hi Yohay, The issue you're encountering stems from the scope of variables in MATLAB functions. When you define a function in MA...

1 month ago | 0

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Answered
Environment for Q-Learning
Hi Avinash, You've raised two very relevant points regarding the use of Q-Learning, especially in the context of environments w...

1 month ago | 0

Answered
how to add best fit line in subplots in function plotmatrix?
Hi Nafisa, The code snippet you've shared is almost correct in its approach to overlay a best fit line on each subplot generate...

1 month ago | 1

| accepted

Answered
permutation in regression learner app
Hi Parisa, To compute permutation tests for assessing the significance (p-value) of your best model's performance in MATLAB, us...

1 month ago | 0

Answered
How to properly define a function handle for fanimator
Hi Frederik, To animate a more complex drawing with multiple elements (like rectangles, points, circles, etc.) using fanimator ...

1 month ago | 0

Answered
What is algorithm of Support vector parameter optimization
Hi Manoj, To find the optimal parameters for an epsilon-Support Vector Regression (epsilon-SVR) model in MATLAB, including the ...

2 months ago | 0

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Answered
Least squares fit to different data sets at the same time
Hi Cole, Fitting an ODE system to two datasets of varying time scales, especially when the datasets are of different sizes and ...

2 months ago | 0

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Best Practice to Distribute Data to Workers?
Hi Shumao, Your approach to distributing and gathering data in a parallel computing environment, specifically with MATLAB's Par...

2 months ago | 0

Answered
How can I detect corner points where an object contacts a line/surface?
Hi Ryan, To find the points where an object contacts the surface in a grayscale image, especially when using functions like det...

2 months ago | 0

Answered
Using cumulative sum to create a symmetric n-dimensional array
Hi Neuling, To create a symmetric tensor of orders 2, 3, and higher, adjustments are needed in your code to correctly handle th...

2 months ago | 0

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