I'm Associate in Engineering Development Group at Math works.

My Interests are in the area of communications and pattern recognition and machine learning.

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

Answered

5G - PDCCH DMRS

There is an example to describe DCI processing in the 5G system, you can refer it here, for further information you need to refe...

5G - PDCCH DMRS

There is an example to describe DCI processing in the 5G system, you can refer it here, for further information you need to refe...

4 jours ago | 0

Answered

Why does Command Windows on MATLAB Onramp NOT display properly?

The Error says that your Browser is not supported, you can check Browser requirements at http://mathworks.com/support/requireme...

Why does Command Windows on MATLAB Onramp NOT display properly?

The Error says that your Browser is not supported, you can check Browser requirements at http://mathworks.com/support/requireme...

4 jours ago | 0

Answered

Make a curve and fit it in a "stacked" histogram

From your code I see that, “data” is a matrix which is input to histfit function, but histfit expects a vector input , thereby ...

Make a curve and fit it in a "stacked" histogram

From your code I see that, “data” is a matrix which is input to histfit function, but histfit expects a vector input , thereby ...

4 jours ago | 0

Answered

What is an alternative to cell arrays in simulink models?

Way to achieve this is to save cell in to .mat file and load that file in the MATLAB script in Simulink which will be read here ...

What is an alternative to cell arrays in simulink models?

Way to achieve this is to save cell in to .mat file and load that file in the MATLAB script in Simulink which will be read here ...

7 jours ago | 0

Answered

Pad array to certain size

Hi Raheem, This is how you can realize your required outcome, x=randi(256,200,200); % Initial Matrix z=zeros(425,425); %New m...

Pad array to certain size

Hi Raheem, This is how you can realize your required outcome, x=randi(256,200,200); % Initial Matrix z=zeros(425,425); %New m...

10 jours ago | 0

Answered

How to make gaussian pplot with my data

As per my understanding you want to plot the probability density function with “mu” which must be average of your data. You can ...

How to make gaussian pplot with my data

As per my understanding you want to plot the probability density function with “mu” which must be average of your data. You can ...

23 jours ago | 0

Answered

Matlab 2019b installer does not install on Mac OS Catalina

Hi Roozbeh, It is not necessary to remove the 2019a installation to install the 2019b version but the issue might be because o...

Matlab 2019b installer does not install on Mac OS Catalina

Hi Roozbeh, It is not necessary to remove the 2019a installation to install the 2019b version but the issue might be because o...

30 jours ago | 0

Answered

Is the matlab license linked to the MAC address?

Contact your sales representative to get detailed understanding about your license terms. If you don’t know who your sales repre...

Is the matlab license linked to the MAC address?

Contact your sales representative to get detailed understanding about your license terms. If you don’t know who your sales repre...

30 jours ago | 0

Answered

Matlab 2019a installation error

Contact your sales representative to get detailed understanding about your license terms. If you don’t know who your sales repre...

Matlab 2019a installation error

Contact your sales representative to get detailed understanding about your license terms. If you don’t know who your sales repre...

30 jours ago | 0

Answered

Why do I see the error "Something unexpected occurred" when I try to install Simscape Multibody add-on?

For the errors as such you can refer to the explanation given for the similar error, which can resolve it.

Why do I see the error "Something unexpected occurred" when I try to install Simscape Multibody add-on?

For the errors as such you can refer to the explanation given for the similar error, which can resolve it.

30 jours ago | 0

Answered

Simulation Data Inspector - hide box around selected plot

As of now there is no way to achieve it, have escalated the issue to the concerned development team.

Simulation Data Inspector - hide box around selected plot

As of now there is no way to achieve it, have escalated the issue to the concerned development team.

30 jours ago | 0

| accepted

Answered

matlab code for qpsk digital modulation in mimo

I understand your question as, you need to develop MIMO system using QPSK as the modulation type, which doesn’t deviate from the...

matlab code for qpsk digital modulation in mimo

I understand your question as, you need to develop MIMO system using QPSK as the modulation type, which doesn’t deviate from the...

30 jours ago | 0

Answered

Why did my matlab skript become super slow

Hi Christian, Since the script is not attached couldn’t give you apt solution, Few possibilities might be due to other proce...

Why did my matlab skript become super slow

Hi Christian, Since the script is not attached couldn’t give you apt solution, Few possibilities might be due to other proce...

environ un mois ago | 0

Answered

Coefficient and Formatting Help

You may look into the documentation here and there are sample scripts to execute differential equations at the end.

Coefficient and Formatting Help

You may look into the documentation here and there are sample scripts to execute differential equations at the end.

5 mois ago | 0

Answered

Why is fmincon slower in comparison to other solvers?

That might be one of the reasons, however you may try Nondefault option of Algorithm as ‘sqp’, which can be sometimes faster. M...

Why is fmincon slower in comparison to other solvers?

That might be one of the reasons, however you may try Nondefault option of Algorithm as ‘sqp’, which can be sometimes faster. M...

5 mois ago | 0

Answered

how can i prelocate arrays

Pre allocating arrays may not solve your problem, as the error msg states you are indexing array ”u” using either negative integ...

how can i prelocate arrays

Pre allocating arrays may not solve your problem, as the error msg states you are indexing array ”u” using either negative integ...

5 mois ago | 0

Answered

Signal Processing Align Error

Hi Sandeep: You need not check delay to use alignsignals since it doesn’t make any difference by changing order of argument...

Signal Processing Align Error

Hi Sandeep: You need not check delay to use alignsignals since it doesn’t make any difference by changing order of argument...

5 mois ago | 0

Answered

plotting offset between data

Hi Boutros, If you mean to plot the deviation of the data between all possible pair this is how you can realize the solution f...

plotting offset between data

Hi Boutros, If you mean to plot the deviation of the data between all possible pair this is how you can realize the solution f...

5 mois ago | 1

| accepted

Answered

Matlab cannot identify the mex function

You are trying to use mex file generated for mac OS (as I see in the link which you provided) which doesn’t work on platforms ot...

Matlab cannot identify the mex function

You are trying to use mex file generated for mac OS (as I see in the link which you provided) which doesn’t work on platforms ot...

6 mois ago | 0

Answered

how to plot contours of a function defined on a 3d mesh. Plotting has to be done on the mesh not under the mesh as shown in following figure

You may use contour3 function to plot contours at different heights, look in to this doc for further information.

how to plot contours of a function defined on a 3d mesh. Plotting has to be done on the mesh not under the mesh as shown in following figure

You may use contour3 function to plot contours at different heights, look in to this doc for further information.

6 mois ago | 0

Answered

Building MEX file error: struct exceeding 2GB

Similar problem is addressed here, https://www.mathworks.com/matlabcentral/answers/73332-alternative-to-clear-or-clearvars-in-s...

Building MEX file error: struct exceeding 2GB

Similar problem is addressed here, https://www.mathworks.com/matlabcentral/answers/73332-alternative-to-clear-or-clearvars-in-s...

6 mois ago | 0

Answered

How to change time interval value when using instfreq function in Matlab ?

You can customize the time interval using Frequency Resolution, to quote an example To explain from your case fs = 16; t = (...

How to change time interval value when using instfreq function in Matlab ?

You can customize the time interval using Frequency Resolution, to quote an example To explain from your case fs = 16; t = (...

7 mois ago | 1

| accepted

Answered

Design K using bode plot

For understanding how to design K you may refer to the documentation at https://www.mathworks.com/help/control/ref/margin.html ...

Design K using bode plot

For understanding how to design K you may refer to the documentation at https://www.mathworks.com/help/control/ref/margin.html ...

7 mois ago | 0

Answered

Using interp2 with pcolor and loop.

I see that you have set of coordinates (X,Y) and (X_ERA5,Y_ERA5), you can use interp2 to get 2-D gridded Vq = interp2(X,Y,V,Xq...

Using interp2 with pcolor and loop.

I see that you have set of coordinates (X,Y) and (X_ERA5,Y_ERA5), you can use interp2 to get 2-D gridded Vq = interp2(X,Y,V,Xq...

7 mois ago | 0

Answered

surface from scatter 3 plot

[xq,yq] = meshgrid(-2:.2:2, -2:.2:2); vq = griddata(x,y,v,xq,yq); %(x,y,v) being your original data for plotting points mesh(...

surface from scatter 3 plot

[xq,yq] = meshgrid(-2:.2:2, -2:.2:2); vq = griddata(x,y,v,xq,yq); %(x,y,v) being your original data for plotting points mesh(...

7 mois ago | 0

| accepted

Answered

Loop for forward difference finite method

I went through your code and I see that you need to swap the arguments “g” and “h” in the equation inside the nested “for” loop ...

Loop for forward difference finite method

I went through your code and I see that you need to swap the arguments “g” and “h” in the equation inside the nested “for” loop ...

7 mois ago | 0

| accepted

Answered

Combine ode and pde equations in Matlab to solve a thermal-mechanical coupled problem

You may refer to the documentation attached on PDE and ODE equations of MATLAB. PDE Equations: https://www.mathworks.com/help/m...

Combine ode and pde equations in Matlab to solve a thermal-mechanical coupled problem

You may refer to the documentation attached on PDE and ODE equations of MATLAB. PDE Equations: https://www.mathworks.com/help/m...

7 mois ago | 0

Answered

Too many output argument

fimplicit3(@(x,y,z) sin(x).*cos(y) + sin(y).*cos(z) + sin(z).*cos(x)) Hi, This function doesn’t show any error and gives ...

Too many output argument

fimplicit3(@(x,y,z) sin(x).*cos(y) + sin(y).*cos(z) + sin(z).*cos(x)) Hi, This function doesn’t show any error and gives ...

7 mois ago | 0

Answered

Bootstrapping a square matrix

To bootstrap square matrix to get confidence intervals you can use the function Ci = bootci(nboot,bootfun,your_square_matrix)...

Bootstrapping a square matrix

To bootstrap square matrix to get confidence intervals you can use the function Ci = bootci(nboot,bootfun,your_square_matrix)...

7 mois ago | 0

Answered

Error in a for loop

Hi, I see that you get the error in 3rd line in the for loop not in the of 4rth line as you mentioned, I think your use case c...

Error in a for loop

Hi, I see that you get the error in 3rd line in the for loop not in the of 4rth line as you mentioned, I think your use case c...

7 mois ago | 0