Community Profile # Issa

### CES

Last seen: 1 giorno ago Active since 2021

Application engineer at CES which is the exclusive partner of MathWorks in the Middle East. My technical background is mainly around Signal Processing, Communication Systems, RADAR, and control system. Also, I am an AI enthusiast.

Programming Languages:
Python, C++, Java, MATLAB
Spoken Languages:
Arabic, English, French
Professional Interests:
Signal Processing, Control Systems, Radar, Airfoil tools

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Planning a 5G Fixed Wireless Access Link over Terrain - Not run
Hi! reflectorDipoleElement is a function in your live script. Scroll down to the bottom of the script and see if it is there,...

3 giorni ago | 0

How to plot surface data on world map

3 giorni ago | 1

How to find the frequencies of a time series which contain datetime ?
Hi! You can use pspectrum function. It returns both power and frequency arrays. % Your data a = { '17-Jun-2021 12:00:00...

4 giorni ago | 1

| accepted

How to split a column with a numeric data into multiple columns by digits in timetable?
Hi! Below will not work for negative elements ... Time = datetime(["20220804T000001"; "20220804T000002"],'InputFormat','uuuuMM...

4 giorni ago | 0

How to remove leading zeros in decimal representation?
Hi! Use str2num. A = [23, 15, 256, 75]; B= dec2bin(A) B = str2num(B) Hope this helps

5 giorni ago | 1

how can we get this output ?
Hi! You will only need a ramp block (set both start time and initilal output to 4), and a scope. Open the scope, go to view > ...

5 giorni ago | 0

how to solve array dimension for matrix multiplication issue?
Hi ! Yes, multiplication of two arrays with incompatible sizes will throw an error ! A possible solution is to pad (zero pad i...

6 giorni ago | 0

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How to write each iteration (data) in for loop to excel and how to read multiple excel files together?
Hi! With the below command you are overwriting output1.xlsx file, hence you are only getting the last written file. writetable...

8 giorni ago | 0

| accepted

How to customise the zlabel?
hI! Something like this : [X,Y] = meshgrid(1:0.5:10,1:20); Z = sin(X) + cos(Y); surf(X,Y,Z) % ACHange z label zticks ; ...

11 giorni ago | 0

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if clause for a nonscalar operator
If I understood correctly: p=[]; if ~isscalar(p) disp('hello') else disp('bye') end

12 giorni ago | 1

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can anyone explain what this piece of code do?
Hi! Your code does the basic Model Interconnection and some LTI system analysis (poles zeros plot). Try to learn from the doc...

12 giorni ago | 0

Hello everyone I want to ask how to reduce the length of the legend line.
Hi! Perhaps this: figure hold on plot(1:10, randi(5,10,1)) plot(1:10, randi(10,10,1)) % Modify x1 and x2 based on your...

12 giorni ago | 0

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How to plot this function
Hi! Since you need to multiply by the truth, maybe this below: f = @(x,y)((((x.^3).*y - x.*(y.^3)) ./ (x.^2 + y.^2) ).*( x ~= ...

13 giorni ago | 0

Load array from .mat file in Matlab System
Hi! I believe you are building a model in Simulink! If this is the case, you don't need to write a function for loading data: ...

14 giorni ago | 0

How to export struct saved in workspace to text file
Convert to table and then wrtie to text file: % Example 1: convert and write to table S.Str = 'I Love MATLAB' S.Date = dateti...

14 giorni ago | 1

| accepted

Contour plot using GPU computing
Hi! If you have Parllel Computing Toolbox, you can use gpuArray to store your data in the GPU memory, and since countour functi...

14 giorni ago | 0

loop a matrix through disorder columns indices
Hi! What about this below! % Dummy A A = randi(4, 100, 5 ) ; % B = [] ; for cIdx = [2 5 3 4 1] B = [B, A(:, cIdx...

15 giorni ago | 1

Solved

Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

15 giorni ago

Solved

Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

15 giorni ago

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

16 giorni ago

Save coefficients from fitlme function in a table
Hi You need to use dataset2table. Demo: load imports-85 tbl = table(X(:,12),X(:,14),X(:,24),'VariableNames',{'Horsepower','C...

16 giorni ago | 0

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Random number generator for matrix
Hi! Perhaps this: bounds = [10 20] ; % [a b ] randA = diag(diag(randi(bounds, 3,3))) Hope this helps

16 giorni ago | 0

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mxArray to double?
Hi! I' m not sure how did define variable count as double! Try to preinitialize the variable count before calling the function...

16 giorni ago | 1

app handler(appdesigner) is missing from workspace
Hi! You can use assignin . Read more: https://www.mathworks.com/help/matlab/ref/assignin.html Hope this helps

17 giorni ago | 0

| accepted

How to find the Helper function associated with the Model?
Hi! You have to open the example in MATLAB. openExample('driving/Create360BirdsEyeViewImageAroundAVehicleExample') Current ...

18 giorni ago | 2

dsp.SineWave in Matlab function block not generating sine wave on the scope
Hi! Why do not you use sinWave block available in dsp system simulink library instead of writing a MATLAB function for that ? ...

18 giorni ago | 1

Can't prove the convolution theorem of Fourier theorem for two dimensional matrices.
Hi! Please read about discrete convolution .... Perhaps this: Conv, fft and ifft x = randi(10, 20, 1); y = randi(20,20,1)...

18 giorni ago | 0

| accepted

error in table2array - unable toconcatenate the specified table of arrays
Hi! table2array Converts table to homogeneous array. Your table has mix data (numric, text, ). table2cell is an option that you...

18 giorni ago | 0

how can i add AWGN noise to signal
Perhaps setting random number generator will be helpful. use rng MWs Example: % Generate random data symbols and the 4-PSK m...

19 giorni ago | 0

| accepted