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Tarunbir Gambhir

MathWorks

Last seen: Today Active since 2020

I am an Application Support Engineer at Mathworks.
Disclaimer: Any articles/ideas/opinions here are my own and in no way reflect that of Mathworks

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Answered
Error using fmincon, the function cannot continue
The error message says the objective function is not defined at initial point. This means objfun(xo) returns a 'NaN' or errors o...

6 days ago | 1

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Input shape for image sequence classification
In this example, since the task is to create a classification LSTM network that classifies sequences of 28-by-28 grayscale image...

7 days ago | 0

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Find curvature of the image boundary
You can refer this post for how to meaure curvature of image boundaries.

7 days ago | 0

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How to classify direction of step using image processing
If you have access to the Computer Vision Toolbox, you may refer to 'estimateFlow' function to get the optical flow matrix. Usin...

7 days ago | 0

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MacOS 11.3 (Big Sur) and Matlab 2020b compatibility
In most cases the issue seems to initiate from the simultaneous launching of MATLAB Editor at startup. It has been reported that...

7 days ago | 0

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Error: Too many input arguments
Make sure you are using the modified version of the 'projectAndReshapeLayer' class. The updated class file can be located in the...

8 days ago | 0

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Answered
How to find new coordinates of a point after image rotation?
I am not able to rectify the issue in your case since you have not provided the image. But you can see the results on a sample i...

8 days ago | 0

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integral2 failing to calculate area of a square inside a circle?
Please correct the equation of the circular region in function 'Zfun1'. It should be of the form, x^2+y^2<=r^2.

9 days ago | 0

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Answered
Fitting a specific linear function to data
You can launch the Curve Fitting Tool with 'cftool( x, y, z )' for your case. This will create a surface fit to x and y inputs a...

9 days ago | 0

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Image sequence (images behind each other) MATLAB
I am not sure if there is any MATLAB tool/function that does this specifically. But as a workaround, a simple script can create ...

10 days ago | 0

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Interleaving vectors in simulink
I am not sure if there exist a block that specifically does this. However, this task can be done easily by creating a custom MAT...

27 days ago | 0

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vl_compilenn error in MatConvNet using GPU
It looks like 'vl_compilenn' is from a third-party repo called 'MatConvNet' which has its own forums. You can try looking for a ...

28 days ago | 0

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Why doesn't tcpclient find server for WiFi communication?
You can communicate with ESP8266 on MATLAB through ThingSpeak for an IOT project. You can find more details on these projects he...

28 days ago | 0

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Why the Reinforcement Learning seems do not learn anything?
If the agent is not taking good choices at later episodes, it is likely that the exploration epsilon factor is still high. You c...

28 days ago | 0

Answered
How to create loop
You can use for loop to automate this task. For example, "k" ranging from 2 to 10 in steps of 1 can be done in the following man...

29 days ago | 0

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Answered
How to do FPGA inference of deblur GAN network using deep learning HDL tool box?
You have various options to import a trained model into MATLAB. If your model is a pretrained TensorFlow-Keras network, you can ...

29 days ago | 0

Answered
Image Labeler taking ROI and discard the background
You cannot use the Image Labeler to segment/crop out the image using an ROI. You can, however, simply use the imcrop function to...

1 month ago | 1

Answered
how to detect areas within a binary image with vision.BlobAnalysis ?
Can you check if you have the Computer Vision Toolbox installed with your MATLAB software. You can execute the following command...

1 month ago | 0

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Neural network working properly on Matlab but not in Simulink
Please see the documentation page for gensim. When giving a parameter for 'SampleTime', its value may be -1 or any integer great...

1 month ago | 0

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Read different matrix into a loop
You can concat all the monthData matrices into a single matrix called monthData. Then you can use the following for i=1:12 ...

1 month ago | 0

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Parrot rolling error generating code matlab 2020
The MATLAB Support Package for Parrot Drones currently supports the Parrot Mambo FPV and Parrot Bebop2 drones only. Alternative...

1 month ago | 0

Answered
To select a text file from a directory into appdesigner
You can use the uigetfile component to open file selection dialog box, which can be used to select a text file in appdesigner.

1 month ago | 0

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Axis stacking above eachother when creating a video and using two seperate x- and y-axes
Try setting the axis limits and ticks outside, before the for loop. Currently, the ticks and limits are being added on every ite...

2 months ago | 0

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How to plot 2D graph using 'to workspace block' and need to be popped up after simulation completed
You can write a matlab script that runs your simulation model and then plots the data that is added to the workspace. Something ...

2 months ago | 0

Answered
Identify Simulink blocks by shape and ports?
You can use this Mathworks documentation link to search among all the Simulink blocks. You can even select a particular toolbox ...

2 months ago | 0

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Answered
Summation with For Loop 2
If you want to compute the sum of the f-terms as symbolic functions, you can use the symsum function to get the sum of your seri...

2 months ago | 0

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Answered
How could i train my network on GPU?
For training the network on a single particular GPU, you can select that GPU before you start the training and set the 'Executio...

2 months ago | 0

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Answered
Trouble Looping and recording distance between nearest centriods
The Index exceeding error might be because you are looping "k" variable from 1 to 20, but the "j" variable is looping from 2 to ...

2 months ago | 1

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Answered
How to detect smarhtphone's screen in an image
You can use the regionprops function to get a bounding box for the region of interest in your image. The 'BoundingBox' property ...

2 months ago | 1

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Answered
Numeric Integral: 1/T * integral x(t)^2 dt [tau, T-tau]
I suggest you refer the documentation on the MATLAB function for numerical integration. Go through the examples to get an idea o...

2 months ago | 0

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