Pratyush Roy
MathWorks
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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Content Feed
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
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
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
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
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
| accepted
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
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
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
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
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
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
| accepted
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
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
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
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
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
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
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
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
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
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
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
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
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
| accepted
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
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
| accepted
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
| accepted
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
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
optimization by minimizing the MAD
Hi, The link here might be helpful. Hope this helps!
3 months ago | 0
