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Asvin Kumar


Last seen: Today

MathWorks

161 total contributions since 2019

Hi, I'm an Applications Support Engineer at Mathworks.

My areas of interest are signal processing and communications. I've also spent a little while on reinforcement learning, machine learning and deep learning.

DISCLAIMER: Any ideas or opinions posted here are my own and in no way reflect that of MathWorks.

Asvin Kumar's Badges

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  • Knowledgeable Level 3
  • 6 Month Streak
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Answered
Aerobalence Code , how do i get the code to output just 1 answer
The 7 outputs are because you have an assignment statement inside a for loop that runs 7 times. You are not suppressing the outp...

27 jours ago | 0

Answered
"Error While Evaluating UIControl Callback"
If I understand correctly, you just want to update the plot. You can do that by calling the plot function in your callback with ...

27 jours ago | 0

Answered
How to extracts the data from .dat extension and create necessary equations
The import tool should do the job for you. The linked page shows examples on how to use the tool. Here's another doc page whic...

28 jours ago | 0

| accepted

Answered
Reverting Referenced Subsystems back to normal Subsystems
Hi Marvin, I can confirm that the feature to expand referenced subsystems was removed in R2020a. So, it looks like the best w...

29 jours ago | 0

| accepted

Answered
How to visualize 4D .nii file?
nii files follow the NIfTI image format. You can use the niftiread function to read these files. MATLAB also offers other functi...

environ un mois ago | 0

Answered
Matlab barchart question.
Hi Pappu, It seems you've contacted Tech Support via email. I'll capture the workaround that we provided you over here for eve...

environ un mois ago | 0

| accepted

Answered
Numerical integration (trapz) between patch
The reason I1 and I2 are negative is because the H values are negative. trapz numerically integrates over the specified range by...

environ un mois ago | 0

Answered
Line plots from netcdf files
I'm not entirely clear as to what you want to plot. Since you seem like you're new to the language, let me give you a brief outl...

environ un mois ago | 0

Answered
Error in readInput - unrecognized function or variable 'swallow_csv'
Have a look at https://adared.ch/efficient-csv-reader-for-matlab/ The swallow_csv mex which was generated for windows will not...

environ un mois ago | 0

Answered
Getting dltargets.internal.getNetworkInputSizes error when trying to quantize trained network
[EDIT] David figured out that he needed GPU Coder Interface for Deep Learning Libraries. More details on the requirements fo...

environ un mois ago | 0

| accepted

Answered
Setting LSTM time serie prediction
Have a look at the Classification, Prediction, and Forecasting section from this page on LSTMs. As the page explains, you broadl...

environ un mois ago | 0

Answered
LSTM sequence-to-one regression
If you could share the code that you've written so far, the community will be able to help you better. If I still had to guess...

environ un mois ago | 0

Answered
Multiple inputs to ANFIS
You could use a for loop. Simple and straightforward. You could move your statements into a function block and write a script ...

environ un mois ago | 0

Answered
how to give weighted average method for defuzzification
This question posted earlier might be relevant to you: https://www.mathworks.com/matlabcentral/answers/479624-add-custom-defuzzi...

environ un mois ago | 0

Answered
I get an error with copyfile loop
Thanks for providing additional info. I'm not entirely sure why you're seeing this error. There are some pieces of information w...

environ un mois ago | 0

Answered
I have the file "RML2016.10b.dat" and want to extract the data inside it.
It mentions on https://www.deepsig.ai/datasets that the data is stored in a pickle format. @Juhi Singh's answer should give yo...

environ un mois ago | 0

Answered
How to group multiple data points (rows) from the same person into one row (containing the average) in a table?
This seems like just the use case for findgroups and splitapply. Both the linked pages have good examples that should help you ...

environ un mois ago | 0

| accepted

Answered
Standardization fitlm, weird results?
The reason your outputs aren't even in the same range is because you're comparing apples to oranges -- in two different places. ...

environ un mois ago | 1

Answered
Display name of line in plot
Simple solution The simplest solution here is to leverage legend. If legend doesn't make sense in your case because all the lin...

environ un mois ago | 0

Answered
overlay nifti mask on nifti volume
You can use the niftread function to import your 3D data. Once imported, it behaves just like any 3D matrix. You can then appl...

environ un mois ago | 0

Answered
Is there a way to get the pattern sequence form a generated graph?
Finding periodicity using autocorrelation seems like just the example for this scenario.

environ un mois ago | 0

Answered
Can zp2sos be used in an audio plugin?
The reason this error occurs is because you're using p as the "this" input argument and then overwriting it by the output of the...

environ un mois ago | 1

Answered
How do i get frequency coefficients from an audio file
The short time fourier transform (stft) should be a good start if you want to use frequency coefficients to classify sounds. T...

environ un mois ago | 0

Answered
How to create a for look that will allow me to iteratively add data to my cell array as I analyze each of my EDA files
EDA_data=cell (40,6) for n=1:40 % you can add a call to your function here to extract the six values % used in the ne...

environ un mois ago | 0

Answered
Global variables not working
Your global variable 'serialObject' has no data in it. That's the root cause. We'll see why. When the code hits the first disp ...

environ un mois ago | 0

Answered
How do apply LSA and train a Deep Learning LSTM network?
You might be interested in the fitlsa function. Here's an example on using LSTMs for text generation: Generate text using LSTMs...

3 mois ago | 0

Answered
Como se evalúa y grafica una función en App Designer
y = f(x); This should work. Esto debería funcionar (Spanish from Google Translate)

3 mois ago | 0

Answered
Reference instances of class object
It's not a good habit to name variables with respect to input/strings/numbers. Please strongly consider avoiding this pattern. H...

3 mois ago | 1

Answered
Why do I get the error ''Unrecognized function or variable 'regimeNormalization'. Error in @(data)regimeNormalization(data,centers,centerstats)''
The helper function regimeNormalization is defined at the bottom of the example page.

3 mois ago | 0

Answered
Add image on pcshow plot
Here's a simple example that meets your requirements halfway. You can adapt it as necessary. This example uses uicontrol to add...

3 mois ago | 1

| accepted

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