# Raunak Gupta

### MathWorks

Last seen: plus de 3 ans il y a Actif depuis 2019

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I am an Application Support Engineer in the EDG Group, The MathWorks.
My Area of Interest are MATLAB, Deep Learning and Image Processing.

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

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Three-way logarithmic plot.
Hi Nguyen, In my knowledge no such functionality exist to visualize three axis convoluted in each other.

plus de 3 ans il y a | 0

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bandwith of high pass filter
Hi, I am not sure if the code is to find the bandwidth, but in my opinion bandwidth must not exist for a high pass filter sinc...

plus de 3 ans il y a | 0

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How to add a force to Langevin equation with parfor?
Hi Erez, From the code I think parallelization is not possible in this case because if you see the Force variable is updated i...

plus de 3 ans il y a | 0

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How can i calculate very large distance matrix?
Hi Ashutosh, I understand you want to calculate the number of particles and its locations from a particular particle. Since th...

plus de 3 ans il y a | 0

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Symbolic matrix with symbolic size
Hi, As mentioned in this question , Matrices with unknown size is not supported in MATLAB and thus the correct error message i...

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Simulink Voltage angle measurement problem
Hi, The voltage you are measuring is actually the voltage across the AC Source which is a real number. That is why measuring t...

plus de 3 ans il y a | 0

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How do I get judgement information about linetracer map? (If I choose some coordinate)
Hi, I see two potential issues in the code, correcting those will make the code working. Here instead of mentioning the numb...

plus de 3 ans il y a | 0

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When using rangesearch does the range change if the Mdl and Y are inputted as coordinates or indices?
Hi, If the input points are coordinates or indices, the rangesearch will still return the neighborhood points but make sure th...

plus de 3 ans il y a | 0

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What would be a good proxy for time?
Hi, As I looked the discussion in above mentioned question link, I think it is more towards the correlation between two depend...

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Error using symengine. Dimensions do not match.
Hi, Since there are lot of variables which are not initialized, I am assuming length of vector x and y are different. From the...

plus de 3 ans il y a | 0

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Matrix Dimension not the same
Hi, kron function returns kronecker tensor product of two matrices therefore size of resulting matrix will be [size(A,1)*size(...

plus de 3 ans il y a | 0

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Poisson distribution for modelling football scores
Hi, For the specific football model, I will recommend referring the literature either in some standard book or in a research p...

plus de 3 ans il y a | 0

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GPU acceleration with fitensemble
Hi, Currently GPU acceleration for fitensemble is not supported. I have heard that this is known and the concerned parties may...

plus de 3 ans il y a | 0

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unable to save values to xls read while taking values from xls write
Hi, As Walter mentioned, the assignment of C(i,:,j) = key_out is not possible as left side is a 1-D vector and right side is 2...

plus de 3 ans il y a | 0

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Exact data from for loop plot with multiple lines
Hi, I understand that your data is having two independent variables Hy_1 and Phi. Also, you want to plot a function F(x,y) whi...

plus de 3 ans il y a | 0

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Laplace transform of differential equations
Hi, Here laplace(y(t),t,s) , y(0) , subs(diff(y(t),t),t,0) , laplace(x(t),t,s) , x(0) are already defined symbolic variable in...

plus de 3 ans il y a | 0

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Training dataset using SVM
Hi, From the dataset, while extracting the features you must be knowing that if this is a binary class problem or a multi-clas...

plus de 3 ans il y a | 1

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Live video preview in app designer
Hi, I found a similar question which talks about plotting a Line on a live Image Preview. In your case you want to add image o...

plus de 3 ans il y a | 0

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How to run program multiple times changing the array index and saving the output.
Hi Manuel, You can convert the code which needs to be run for different SNR values into a function which return BER is output....

plus de 3 ans il y a | 0

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Accessing Matlab arrays efficiently
Hi Murat, As I can understand from Line 22-23, Mposition/Mvelocity are 2-D matrix and returned VpositionA/ VvelocityA are 1-D ...

plus de 3 ans il y a | 0

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How get data for all layers (activations CNN)
Hi, The activations function is general purpose to get the features from any specific layer. Since returning output from all l...

plus de 3 ans il y a | 0

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'Conversion to cell from double is not possible.' During table assignement
Hi, I have brought this issue (with the row vector while assignment to a table) to the notice of our developers. They will inv...

plus de 3 ans il y a | 2

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How to create a hovering effect on images in the App creator
Hi, There is similar question which tells about methods you may use to create an event in case of hovering over an object. You...

plus de 3 ans il y a | 0

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Why ssim and corr2 give totally different results
Hi, The corr2 gives a simple correlation between two matrices which is highly dependent on the values present in both the matr...

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Achromatic contrast, Spatial frequency and Reversing phase?
Hi, In my understanding this looks like modeling of a sensor which capture the image with different inherent properties. For t...

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Loading and using pretrained networks
Hi, From the example mentioned in the follow up, I think the trained network are not saved properly. Let say you have four tra...

plus de 3 ans il y a | 1

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What does negative value of PSNR indicate?
Hi, According to the definition of PSNR as mentioned here , it cannot be negative. You can check if the range in both images i...

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Rayleigh distribution to the scatter plot
Hi, I assume the scatter plot is close to Rayleigh distribution and the x axis represent a free variable according to which th...

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Read in specific range of large .csv
Hi, From the question I understand that you want to import only a chunk of ‘.csv’ file for analyzing. The readmatrix with ‘Ra...

plus de 3 ans il y a | 0

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Ramp Input Simulink for input of 1/(s^2)
Hi, As mentioned by Ameer here, you can use the ramp block from Library browser in Simulink to generate a signal with transfer...

plus de 3 ans il y a | 0