I am currently working as an Application Support Engineer at MathWorks Hyderabad

My interests include Signal Processing, Computer Vision etc.

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

Answered

How to substitute symbolic Jacobian of a multivariate function, D(f)(x)?

Please go through the following MATLAB Answer which addresses a similar issue https://www.mathworks.com/matlabcentral/answers/...

How to substitute symbolic Jacobian of a multivariate function, D(f)(x)?

Please go through the following MATLAB Answer which addresses a similar issue https://www.mathworks.com/matlabcentral/answers/...

11 days ago | 0

Answered

Symbolic array summation in MATLAB

Each iteration of the for loop in the above code creates a new symbolic function "ss" which creates three different expressions....

Symbolic array summation in MATLAB

Each iteration of the for loop in the above code creates a new symbolic function "ss" which creates three different expressions....

12 days ago | 0

| accepted

Answered

Need to plot 10 db return loss fractional bandwidth of a dipole antenna

I am assuming that the value of resonant frequency is 72 MHz instead of 72 Hz since the range of frequencies specified is from 2...

Need to plot 10 db return loss fractional bandwidth of a dipole antenna

I am assuming that the value of resonant frequency is 72 MHz instead of 72 Hz since the range of frequencies specified is from 2...

13 days ago | 0

| accepted

Answered

classification using decision tree

I am assuming that there may be some problem with the file names as the file ‘ECGFiveDays_TRAIN.xlsx’ contains only 23 records a...

classification using decision tree

I am assuming that there may be some problem with the file names as the file ‘ECGFiveDays_TRAIN.xlsx’ contains only 23 records a...

13 days ago | 0

| accepted

Answered

Gabor filter for array

I am assuming that you are trying to give vectors as inputs to the “imgaborfilt()” function. This may not be possible as the fun...

Gabor filter for array

I am assuming that you are trying to give vectors as inputs to the “imgaborfilt()” function. This may not be possible as the fun...

15 days ago | 0

Answered

Gaussian using fspecial('gaussian',h,s)

The “fspecial('gaussian',h,s)” returns a circularly symmetric gaussian function of size h*h. Since the value of h is updated in ...

Gaussian using fspecial('gaussian',h,s)

The “fspecial('gaussian',h,s)” returns a circularly symmetric gaussian function of size h*h. Since the value of h is updated in ...

15 days ago | 0

Answered

isolating certain x values for barplot from an undefined variable

My understanding is that you want to extract values from the “x” for which the ‘trial’ variable is free. To this end, you may us...

isolating certain x values for barplot from an undefined variable

My understanding is that you want to extract values from the “x” for which the ‘trial’ variable is free. To this end, you may us...

1 month ago | 0

| accepted

Answered

Invalid training data: The output size of the last layer does not match the response size

This issue arises due to size mismatch between the ground truth and the network output and may be resolved by setting the “Paddi...

Invalid training data: The output size of the last layer does not match the response size

This issue arises due to size mismatch between the ground truth and the network output and may be resolved by setting the “Paddi...

1 month ago | 0

| accepted

Answered

How can I write this equation into MATLAB script

Symbolic Math Toolbox may be used to implement the above equation in MATLAB. Here are a few suggestions which may be helpful in ...

How can I write this equation into MATLAB script

Symbolic Math Toolbox may be used to implement the above equation in MATLAB. Here are a few suggestions which may be helpful in ...

1 month ago | 1

Answered

mfilt.firtdecim to dsp.FIRDecimator

Please make use of the following code snippet to set the above mentioned properties in dsp.FIRDecimator object. Hd = dsp.FIR...

mfilt.firtdecim to dsp.FIRDecimator

Please make use of the following code snippet to set the above mentioned properties in dsp.FIRDecimator object. Hd = dsp.FIR...

1 month ago | 0

Answered

trying to compute Riemann's prime counting function J(x)

Here are a few pointers which may help with resolving the issue: The second term in the Reimann’s function is computed by taki...

trying to compute Riemann's prime counting function J(x)

Here are a few pointers which may help with resolving the issue: The second term in the Reimann’s function is computed by taki...

1 month ago | 0

Answered

Using awgn and snr functions in matlab

Here are a few pointers which may be able to help you. Since SNR is the ratio of Signal Power to noise power it should be comp...

Using awgn and snr functions in matlab

Here are a few pointers which may be able to help you. Since SNR is the ratio of Signal Power to noise power it should be comp...

1 month ago | 0

| accepted

Answered

Not Enough Input Arguments when trying to pass two variables as undefined

Here are a few pointers which may help in solving this issue: Currently the numerical integration function in MATLAB accepts o...

Not Enough Input Arguments when trying to pass two variables as undefined

Here are a few pointers which may help in solving this issue: Currently the numerical integration function in MATLAB accepts o...

1 month ago | 0

Answered

Append rows to .mat file

I understand that you want to add the files present in the folder ‘file_1’ into a single “. mat” file. You may use the following...

Append rows to .mat file

I understand that you want to add the files present in the folder ‘file_1’ into a single “. mat” file. You may use the following...

1 month ago | 0

| accepted

Answered

Deconvolution of fluorescence spectra

I am assuming that you want to create an algorithm which can automatically determine the optimal number of Gaussian components n...

Deconvolution of fluorescence spectra

I am assuming that you want to create an algorithm which can automatically determine the optimal number of Gaussian components n...

2 months ago | 1

| accepted

Answered

hi, I have a time series data,I want to find first standard deviation array and second standard deviation array,using a standard deviation window,but I am getting errors.

I am assuming that you want to calculate the moving standard deviation of a time series data. Here are a few suggestions about...

hi, I have a time series data,I want to find first standard deviation array and second standard deviation array,using a standard deviation window,but I am getting errors.

I am assuming that you want to calculate the moving standard deviation of a time series data. Here are a few suggestions about...

2 months ago | 0

| accepted

Answered

Doubts about cross-validation

I am assuming that you want to have some clarification regarding the cross-validation syntax in KNN and SVM KNN Classifier m...

Doubts about cross-validation

I am assuming that you want to have some clarification regarding the cross-validation syntax in KNN and SVM KNN Classifier m...

2 months ago | 0

| accepted

Answered

Simulate Transmission using dsp.DigitalUpConverter and dsp.DigitalDownConverter

Here are a few pointers which may be able to help you. The baseband signal obtained after decimation contains some spurious si...

Simulate Transmission using dsp.DigitalUpConverter and dsp.DigitalDownConverter

Here are a few pointers which may be able to help you. The baseband signal obtained after decimation contains some spurious si...

2 months ago | 0

| accepted

Answered

How to convert the text file (1x290400) to image as shown as below?

I am assuming that you want to create a montage for the given dataset. You may make use of the above code provided by Walter Rob...

How to convert the text file (1x290400) to image as shown as below?

I am assuming that you want to create a montage for the given dataset. You may make use of the above code provided by Walter Rob...

2 months ago | 1

| accepted

Answered

Cannot find solution Of 4th order ODE using dsolve: Warning: Unable to find explicit solution.

I am assuming here that you want to form an analytical solution to the given 4th order ODE. It may not be considered a good prac...

Cannot find solution Of 4th order ODE using dsolve: Warning: Unable to find explicit solution.

I am assuming here that you want to form an analytical solution to the given 4th order ODE. It may not be considered a good prac...

2 months ago | 1

| accepted

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

2 months ago

Answered

Determine if bulk movement is to the left or right of movie frame?

It is my understanding that you want to calculate the direction of motion of cells in a video. For this purpose, you may make...

Determine if bulk movement is to the left or right of movie frame?

It is my understanding that you want to calculate the direction of motion of cells in a video. For this purpose, you may make...

2 months ago | 0

| accepted

Answered

Discretization and FFT in Simulink

Here are a few suggestions about discretizing a continuous signal and taking the FFT. The following pointers may be of help to y...

Discretization and FFT in Simulink

Here are a few suggestions about discretizing a continuous signal and taking the FFT. The following pointers may be of help to y...

3 months ago | 0

Answered

How to reduce a figure size within the plotting area and adjuste it to be centralized?

To reduce the figure size and to centralize it, you may make use of the manual option of the PaperPosition property of the figur...

How to reduce a figure size within the plotting area and adjuste it to be centralized?

To reduce the figure size and to centralize it, you may make use of the manual option of the PaperPosition property of the figur...

3 months ago | 1

| accepted

Answered

Drawing a square with a circle using a function.

I am assuming that the background and foreground colors are given in the RGB format and the order of function arguments are as (...

Drawing a square with a circle using a function.

I am assuming that the background and foreground colors are given in the RGB format and the order of function arguments are as (...

3 months ago | 0