# Raunak Gupta

### MathWorks

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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**Content Feed**

Three-way logarithmic plot.

Hi Nguyen, In my knowledge no such functionality exist to visualize three axis convoluted in each other.

10 months ago | 0

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...

10 months ago | 0

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...

10 months ago | 0

| accepted

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...

10 months ago | 0

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...

10 months ago | 0

| accepted

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...

10 months ago | 0

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...

10 months ago | 0

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...

10 months ago | 0

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...

10 months ago | 0

| accepted

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...

10 months ago | 0

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(...

10 months ago | 0

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...

10 months ago | 0

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...

10 months ago | 0

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...

10 months ago | 0

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...

10 months ago | 0

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...

10 months ago | 0

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...

11 months ago | 1

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...

11 months ago | 0

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....

11 months ago | 0

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 ...

11 months ago | 0

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...

11 months ago | 0

'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...

11 months ago | 1

| accepted

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...

11 months ago | 0

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...

11 months ago | 0

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...

11 months ago | 0

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...

11 months ago | 1

| accepted

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...

11 months ago | 0

| accepted

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...

11 months ago | 0

| accepted

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...

11 months ago | 0

| accepted

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...

11 months ago | 0