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Asvin Kumar


Last seen: 4 días ago

MathWorks

136 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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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...

alrededor de 2 meses 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)

alrededor de 2 meses ago | 0

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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...

alrededor de 2 meses 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.

alrededor de 2 meses 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...

alrededor de 2 meses ago | 1

| accepted

Answered
Mask R-CNN Evaluation metric
Masks represent an area. Simliar to IoU for bounding boxes, there is a metric for masks too called MaskIoU. You could google mor...

alrededor de 2 meses ago | 0

| accepted

Answered
Error when using timetable/retime
Ah, I had a second look. This is a known bug and is reproducible in R2019a. It was fixed in R2019b. You could try one of two t...

alrededor de 2 meses ago | 0

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Answered
Call python stepper motor code to Matlab with Raspberry Pi
This is not a MATLAB error. The output that you're seeing comes from the system. Refer doc page for system command's output. Th...

alrededor de 2 meses ago | 0

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How to plot 'smooth' cell array graphs
You're looking for the fit function from the Curve Fitting Toolbox. There are some great examples on the doc page that should he...

alrededor de 2 meses ago | 0

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Answered
Steady State data finding
Seems like a job for diff and maybe cumsum on the diff depending on how you wish to handle the rolling window. Once you have tho...

alrededor de 2 meses ago | 0

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Help with writing a function of Log-return and Volatility of a stock
I'm not sure what the terms in those expressions are. If you're new to MATLAB and would like to learn the basics, have a look at...

alrededor de 2 meses ago | 0

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How to create USA map with states names having different colors?
usamap is the function you're looking for. Have a look at the example on diplaying the map of USA including Alaska and Hawaii. ...

alrededor de 2 meses ago | 0

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Block does not fully set the dimensions of output 'A'
The first assignment to an output variable determines its size in MATLAB Function blocks. I suppose Simulink isn't able to infer...

alrededor de 2 meses ago | 0

Answered
How to recall Classification Learner models in the command window
All the options that you see in the Classification Learner App have functional equivalents as well. All those functions are tuck...

alrededor de 2 meses ago | 0

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Answered
Matrix to 12 bit image without pixel information loss
imshow might internally be using imwrite and as mentioned in the description for imwrite, double values get scaled and written a...

alrededor de 2 meses ago | 0

| accepted

Answered
Matlab textArea automatic new line issue
It's possible that the TextArea has WordWrap property set to 'on' by default. If that doesn't solve it, you could try a couple...

alrededor de 2 meses ago | 0

Answered
Predicted response Value / Regression LearnerApp
Have a look at this page: Train Regression Models in Regression Learner App As it says in the first paragraph, what you see in ...

alrededor de 2 meses ago | 0

Answered
How can i mark wheezes(.txt file) on the sound file on GUI
One way to do this would be using the brush tool. Here's an examples that shows how to select multiple vaues from a plot and the...

alrededor de 2 meses ago | 0

Answered
I want to set binary categories to sub-folder names, which will become class labels
I assume you are working with image datastores and you're looking to create a dataset with images belong to two classes. image...

alrededor de 2 meses ago | 1

Answered
Why won't Simulink Onramp launch?
The 'CacheFolder' mentioned is from Simulink preferences > General. More details on it are given in this section from the page...

alrededor de 2 meses ago | 1

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Answered
how to write pseudocode in simulink
By pseudocode in Simulink, if you mean you're loooking to setup a high level structure for your Simulink model, you could do tha...

alrededor de 2 meses ago | 0

Answered
Reading python pickle of dict in MATLAB causes error
Map containers might be what you're looking for.

alrededor de 2 meses ago | 0

Answered
Clock game,how to set parameters
This is fun. Since this seems ilke a HW problem, I'm just going to list out what functions I think you might find useful: randi...

alrededor de 2 meses ago | 0

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How can I import the CNN results from MATLAB to GNU Radio or OpenVINO
As mentioned on this doc page on Import and Export of Networks, you can export networks from MATLAB to the ONNX format using the...

alrededor de 2 meses ago | 0

Answered
Generate random numbers from a probability density estimate
By heatmap, if you're looking to plot the estimated density function, you can plot that using f and xi. Here's a good example th...

alrededor de 2 meses ago | 0

Answered
how to add method to fuzzy toolbox
If you're looking to add custom defuzzification methods, have a look at this section on adding custom defuzzification methods fr...

alrededor de 2 meses ago | 0

Answered
Add custom defuzzification methode - code needed for modified center of area
Adding to Nikolaos' answer, have a look at this section on adding custom defuzzification methods from this page on Building Fuzz...

alrededor de 2 meses ago | 0

Answered
Error with Fuzzy Tree Model
There were a couple of issues that needed fixing. Every FIS needs to have its Inputs, Outputs and MFs defined separately. FIS...

3 meses ago | 0

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Answered
how can i read a use a fits file?
I think what you're looking for are the fitsread and fitsinfo functions. There are examples in the doc pages for the both the f...

3 meses ago | 0

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Answered
Co-Active (CANFIS)
Here's a community contribution from the File Exchange that might be of use to you: https://www.mathworks.com/matlabcentral/file...

3 meses ago | 0

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