Community Profile # Issa

### CES

Last seen: Today Active since 2021

|~ Together we Excel at MATLAB ~|

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

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How to make a m*2 matrix into n number of 2x2 matrices
Split A A = randi(10, 208, 2) ; % a mtarix of size 208x2 size(A) B = reshape(A, 2, 2, []) ; Access 2x2 matrices B1 = B(:,:...

27 days ago | 0

How do I export 8 lists of S-parameters into one s2p file?
Hi! Using python I want to export the data into the s2p format . Assuming you wanted to say Using MATLAB..... Use rfwrite, che...

28 days ago | 1

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Overwrite table data with 'Yes' or 'No' according to the logical index
Hi! Maybe this: load sample1.mat sampleinputarr = string(sampleinput.Variables) ; tvIdx = sampleinputarr(:,1) == "TV" ; sam...

1 month ago | 0

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How to view saved matlab .fig file?
Use openfig

1 month ago | 0

How to convert accelometer data voltage into accleration m\s^2?

1 month ago | 0

How can I find the peak values of a curve?
Hi! Use findpeaks for each curve. Put findpeaks function in a for loop together with the plot function. Demo: randData = rand...

1 month ago | 1

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Write file(s) with all properties of a MATLAB model
Hi! I prefer to use fprintf with fopen and fclose. Once you learn how to design formatSpecifications you will always use fprin...

1 month ago | 0

How to plot two curves (created from curve fitting toolbox) on the same graph?
Hi! What I suggest is that you convert the code generated using the app to a function, modify it then use it within a for loop....

1 month ago | 0

How to make data of equal array length?
Hi! Try this: N = 1:1:115 ; size(N) nL = length(N) ; FD = linspace(0,0.225399, nL) ; size(FD) AD = linspace( 0, 0.00404...

1 month ago | 0

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Plot intervall function in Matlab
Hi! Use piecewise and fplot. syms t xThree = piecewise( t <= 2 ,1 ,(t > 2) & (t <= 4), t-2, t >= 4, 1) fplot(xThree) Hope t...

1 month ago | 0

how can I draw bifurcation diagram for given code
Hi! MATLAB does not have a function to plot this kind of diagrams, but it has capabilities that you can use to write your own s...

1 month ago | 0

How can I plot scatter triangle?
Hi! I don't think there is a ready in-build function in MATLAB that you can use. However, this file exchange has functions that...

1 month ago | 1

I want to shift vector values one by one to the left
What about this: num = [1 1 1 1 1 0 0 0 0 0] ; for ii = 1: nnz(num) num = circshift(num, -1) end

1 month ago | 0

Generate diagram in linear scale
Hi! See these 2 methods: P = [1 10 -13 -118 120] ; Method 1: figure plot(-100:100, polyval(P, -100:100)) Method 2: myPoly...

1 month ago | 0

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get the data of dsp.spectrum Analyzer
Hi! To get data shown in spectrum analyzer, use getSpectrumData method. data = 2.*randi([0 1], 1e6, 1)-1; txFilter = comm.Ra...

1 month ago | 0

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How can I select the "Neue Helvetica" instead of the default "Helvetica" as "fontname" ?
Hi! Use set: get(gca,'fontname') ; set(gca, 'FontName', "Neue Helvetica") ; get(gca, 'FontName')

1 month ago | 1

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How to change only 1 bar in a graphic bar that is grouped
Hi! Try something like this: y = [2 2 3; 2 5 6; 2 8 9; 2 11 12]; barH = bar(y) ; barH(1).FaceColor = "flat" ; barH(1).CData...

1 month ago | 0

Draw a 3D array containing only 0,1 into a 3D image
Hi! You have a volumetric data; I recommend that you use Volume Viewer to visualize it. An example below: M = randi([0 1], 10...

1 month ago | 0

Heatmap plot temperature vs time
Hi! I know what is the issue. You have a timetable not a table and the first column related to time is not considered as variab...

1 month ago | 0

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How to calculate the peak-to-peak amplitude of a waveform?
Hi! Use peak2peak function. Demo below: load('ecgSignals.mat') t = (1:length(ecgl))'; plot(t, ecgl) peak2peak(ecgl) ...

1 month ago | 0

How to remove Noise using histogram In Matlab
Hi! Below is a workflow based on groupcounts function: clear load noisydata.mat figure subplot(211) plot(dataset, 'o') ti...

1 month ago | 1

How can I store video of my for loop code?
I ve written the below code that you can refer to. clear t = 0:1/100:1-1/100; vObj = VideoWriter('AnimPPlot.avi'); open(vOb...

1 month ago | 0

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How to write this in the for loop?
Try this -- for n = [1:100 200:300] continue % adding this just to demonstrate end

1 month ago | 0

How can I add variables on the plot title
Hi! Pass the for loop index to num2str function then pass this to title. Something like this: time = 0:1/100:1-1/100 ; for ...

1 month ago | 1

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How to apply color to histograms?
Hi! Not sure if this is what you want, but the concept is there. Work on the histogram handle and use colormap. websave("cible...

1 month ago | 0

Is there a way to threshold out only the blue elements in this picture?
Hi! Segmentation based color should work properly in this case. Use the app color thresholder to intercatively segment the ima...

1 month ago | 0

How can I filter out noise from a signal from representative noise samples?
Hi! Since you have the noise known and the measured signal to filter, I suggest to use adaptive filtering. DSP System Toolbox ...

1 month ago | 0

How do i count numbers ending in 3
This: x =[234 352 298 213 365 321 293 213] ; xs = strsplit(num2str(x), ' ') ; total = nnz(endsWith(xs, '3'))

1 month ago | 0