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Raunak Gupta


Last seen: Today

MathWorks

123 total contributions since 2019

I am a Application Support Engineer in the EDG Group, The Mathworks. My main responsibilities are to working with customers to help solve their problems and developing new MATLAB Features.
My Area of Interest are MATLAB and Signal Processing.

DISCLAIMER : Any Advice or opinions here are my own, and in no way reflect that of Mathworks.

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Answered
Plotting an infinite series with multiple variables.
Hi, David’s comment above provides a solution but has some missing terms. You may follow the bottom code for doing the same. A...

1 hour ago | 0

Answered
Poisson Point Process with intensity dependent on location of user
Hi, As I understand from the question you are looking to implement the Poisson Point Process which depends on intensity of sig...

2 hours ago | 0

Answered
How to deal with a large amount of data in MatLab and create individual data sets each 30000 elements
Hi, From the size of dataset, I can see that the dataset involves a huge number of rows. I suggest using tall array if you wan...

2 hours ago | 0

| accepted

Answered
How could I add customised shapes and frames into live webcam preview?
Hi, You may use snapshot for the Webcam to return an image on which the shapes and frame can be plotted using either rectangle...

4 hours ago | 0

Answered
Why is the contact force block not working?
Hi, I have tried with the model you may have taken as reference that is after downloading the Add-on (Simscape Multibody Conta...

2 days ago | 0

Answered
optical character recognition for signature verification system
Hi, For Optical Character Recognition you may look into the ocr function that does the same. For getting started you may refer...

2 days ago | 0

Answered
how to make fourier power spectrum of the time series??
Hi, Since you want to use Fourier analysis for the vector mentioned in the question, it suggests that the data have some perio...

2 days ago | 0

Answered
How to stop the program if an array is empty?
Hi, As per understanding from the question you want to stop the simulation and through an error whenever certain array is empt...

2 days ago | 0

Answered
Training NN with single precision data on GPU
Hi, The single precision GPU training can only be done in the ‘nnGPU’ calculation mode. By default train uses ‘nnGPUOp’ which ...

2 days ago | 0

| accepted

Answered
How can I add a button which pauses and resumes the code when pressed in the App Designer?
Hi, You can add pushbutton in the App with callbacks for each of the functionality RUN/PAUSE/CONTINUE/STOP. uiwait and uiresum...

3 days ago | 0

Answered
how can I convert knnclassify to fitcknn
Hi, You can replace the bottommost line of the code that is class = knnclassify(TestingMatrix,SCORE,group,8,'euclidean','ne...

3 days ago | 0

Answered
How to create binary images from an image with low contrast and non-uniform illumination?
Hi, Below code might solve the problem. I = imread('top0076.tif'); I = I(:,:,1); diskSize = 50; SE = strel('disk',disk...

3 days ago | 0

Answered
uigetfile takes ages when using appdesigner
Hi, From the profile viewer I can see that the self-time (actual time taken by the function without considering children funct...

3 days ago | 0

Answered
Find peak using MinPeakWidth
Hi, Visually I can see that the fourth peak you are getting is because it is the local maximum around the location of that pea...

3 days ago | 0

Answered
Bounding boxes on objects after training a classifier.
Hi, For doing Object Detection, the training dataset require to have bounding boxes in it so that Network can be trained for c...

3 days ago | 0

| accepted

Answered
Playing video and tracking objects in app
Hi, You may take the input video stream or video file using webcam() or vision.VideoFileReader() and for doing image processin...

3 days ago | 0

| accepted

Answered
Using ADASYN with three classes
Hi, From the example above I understand that Multiple classes are not supported for Oversampling techniques. Hence, I would su...

4 days ago | 0

Answered
How to implement SHA-256 in matlab
Hi, SHA Algorithms is one of the submissions in MATLAB File Exchange on MATLAB Central. It may help implementing the SHA-256. ...

4 days ago | 0

Answered
Edit the labels in Ground Truth Image Labeler.
Hi, I assume you have done the labelling on one of the Ground Truth Labeler App or Image Labeler App in MATLAB R2018b. For imp...

4 days ago | 0

| accepted

Answered
How to load excel sheets into a struct
Hi, The Field names of structure you are trying to create need to be a variable name instead of integers and double value that...

4 days ago | 0

Answered
Gaussian Pulse to Drive Voltage source
Hi, The function V_gauss(t) correctly represent a gaussian function just the (t - t0)^2 must be -(t - t0).^2. Also the V_gau...

4 days ago | 2

Answered
how to read complex image in matlab?
Hi, Specifically reading a ‘.img’ file is not supported in imread so for reading ‘.img’ you may use fopen and fread. There is ...

4 days ago | 0

Answered
Size of the legend versus paper size
Hi, I tried with the code provided in the question and I saw that Legend FontSize is properly getting updated. You may see the...

23 days ago | 0

| accepted

Answered
Errors With Training the RCNN dectector trainRCNNobjectDetector
Hi, I think this is a similar question that is posted here. You may find the answer mentioned to that question useful.

28 days ago | 0

Answered
Transfer Learning With Alexnet & RCNN Object Detection
Hi, If it is required to Transfer learning with the alexnet you may need to retrain the alexnet with images that are there in ...

28 days ago | 0

Answered
error in returning widths over iterated findpeaks
Hi, I tried with the Release R2017b that is mentioned in question and with the latest Release that is R2019b but didn’t find a...

29 days ago | 0

| accepted

Answered
Finding three columns in one variable in another variable
Hi, You may try finding difference between two matrices (here m x 3 matrices as m rows and 3 columns). From that you may try ...

30 days ago | 0

Answered
How can I create a Lookup Table 5-D?
Hi, I assume by having same variables in all the excel files, the different dimensions that is mentioned in the question repre...

1 month ago | 0

Answered
MATLAB certification exam test centers
Hi, You may find the Answer to this MATLAB Question Relevant. For more information you may want to Contact MathWorks Training ...

1 month ago | 0

Answered
Certificate for Simulink Onramp course
Hi, I assume you are using MATLAB R2019b for completing the Simulink Onramp. The above issue is a known issue and concerned pa...

1 month ago | 0

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