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Pratyush Roy

MathWorks

Last seen: 1 day ago Active since 2020

I am an Application Support Engineer at MathWorks.
My responsibility is to provide the best support for an application like ML,Image Processing, Signal Processing.
Disclaimer: Any articles/idea/opinions here are my own and in no way reflect that of MathWorks.

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  • Knowledgeable Level 3
  • 6 Month Streak
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Answered
How can I connect simscape electrical to specialized power system simscape?
Hi John, The blocks from Specialised Power Systems library is usually not used with the blocks from Simscape Electrical.As a wo...

1 day ago | 0

Answered
What are the measures/scales on the colorbar in Hilbert spectrum?
Hi Jan, The values available in the colorbar can be obtained by returning an output from the hht function. The code below shows...

2 months ago | 0

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Creating a multidimensional correlation matrix from excel file
Hi Anthony, The following code might be helpful to generate a set of correlation matrices arranged in a correlation volume: ...

2 months ago | 0

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Mean/max/min map from multiple netcdf file
Hi, We can use the ncread command for reading the data from NetCDF files. The following code might be used to read NetCDF file...

2 months ago | 0

Answered
ouster lidar data reading in matlab
Hi, Currently we are not supporting the feature for reading LiDAR data from Ouster Sensor. This issue has been brought to the n...

2 months ago | 0

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Answered
Why can i not create a rigid3d object from this matrix?
Hi Thomas, For a transformation to be rigid, it should satisfy the following conditions: 1. Similarity Transform: For homogene...

2 months ago | 0

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Two colormap in the same plot
Hi Cecilia, The MathWorks Support Team has shared an answer with the community regarding how to use multiple colormaps in a sin...

2 months ago | 0

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How to display images from nifti file format in Matlab?
Hi Anjali, The link here tries to answer a similar question on how to access individual slices of a NIfTI file. Hope this hel...

2 months ago | 0

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How to compute the Fourier Series?
Hi Arashdeep, The documentation link here might be helpful to understand how to obtain the Fourier series coefficients for a pe...

2 months ago | 0

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Dendrogram; How to understand linkage(x) output?
Hi Imran, 1) Agglomerative hierarchical cluster tree, returned as a numeric matrix. Z is an (m-1)-by-3 matrix, where m is the n...

2 months ago | 0

Answered
How can I demonstrate that a MA(2) process is invertible?
Hi, Since the constant term does not matter in terms of whether the series converges or diverges, we can ignore it and hence th...

2 months ago | 0

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Answered
How to apply RBF kernel function in k means cluster? Here is the code
Hi, For data in matrix form, the kmeans algorithm assumes that individual rows are the data instances. So when we apply kmeans ...

2 months ago | 0

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Simulink build model from differential equation
Hi Mark, The Simulink model has been built correctly and it is able to properly capture the differential equation as mentioned ...

2 months ago | 0

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How to compute Wiener equation?
Hi Rafael, The autocorrelation matrix obtained from the data while using Weiner filtering is a symmetric Toeplitz Matrix. If th...

2 months ago | 0

Answered
How to combine And/Or connections in building up Fuzzy rule base
Hi Dipankar, The documentation link here might be helpful to understand how to build a rule base using Fuzzy Logic Toolbox in M...

2 months ago | 0

Answered
Write 32-bit float Simulink variable to file?
Hi Danijel, There is a Simulink block called Binary File writer which can be used to write binary files. You can go through the...

2 months ago | 0

Answered
Simulink from where to get Model Linearizer i cant find control system where to find all these or i need to buy them from add ons
Hi, You can refer to the documentation link here to understand where to get Linearization manager and how to use it. Hope this...

2 months ago | 0

Answered
Why does PowerGUI Library Link keeps disabling?
Hi Juan, It is expected behavior for the powergui block library link to become disabled in some situations. Due to the way th...

2 months ago | 0

Answered
Create .xyz file from grid data
Hi Laxmikant, You can use the meshgrid to create 2D grids in the X-Y plane and the concat function to concatenate the grid with...

2 months ago | 0

Answered
Spectrum Analyzer sample rate.
Hi Paul, When you right click on the Spectrum Analyzer block and click on the "Properties" option, the following window will po...

2 months ago | 0

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Error in nlinfit function
Hi Harjot, The model function fun requires two input arguments, a coefficient vector and an array X—in that order—and return a ...

2 months ago | 0

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How do I plot output of function symclip?
Hi Andrew, According to the code, x is passed as the input argument to the function. However, according to the second line of t...

2 months ago | 0

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Simulating a simscape circuit
Hi Paul, The model fails to simulate because the other circuit components operate under discrete rate while the spectrum analyz...

2 months ago | 0

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how can i set the load condition to 20% of full load
Hi Ayesha, Every DC Machine block in Simulink comes with several preset models. Each of these models specify certain values for...

2 months ago | 0

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Answered
How to imbinarize Cell nucleus
Hi, Firstly you can convert the RGB image to a grayscake image using the method rg2gray/ After this, you can use imbinarize wit...

2 months ago | 0

Answered
How do I make a multidimensional random walk?
Hi, For random walk in higher dimensions we can use a similar approach as mentioned in the code for 2 dimensional random walk. ...

3 months ago | 0

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Answered
plz explain this code on morphological operation
Hi, In the code mentioned above, we use bwlabel to find connected components within the image and attach labels to the connecte...

3 months ago | 1

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Answered
Inquiry about Fourier Transform
Hi, The variables f and fshift are MATLAB arrays which represent the frequency components of a signal, where the array f varies...

3 months ago | 1

Answered
Signal Labeller App / Machine Learning data format
Hi, The getLabeledSignal function can convert a labelled signal set to a table. You can go through the documentation page for m...

3 months ago | 0

Answered
optimization by minimizing the MAD
Hi, The link here might be helpful. Hope this helps!

3 months ago | 0

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