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Mehmed Saad


Last seen: 2 days ago
331 total contributions since 2020

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Answered
Matlab is not recognizing variables in function handle
Run following two codes and learn the difference Code-1 (error will be generated) clear fw = {@(x) x+SS;@(x) x+SS+1}; P = ta...

3 months ago | 0

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Answered
2-d line Plot
figure,plot(1:10),xlabel({'1st line','2nd line'}) Edit1: This is one short method (zoom in zoom out) will not work properly ...

3 months ago | 0

Answered
MATLAB App Designer fetch data from .m file
if you call this function in app designer it will create an outside figure so you need to edit it a bit You need to remove T ...

3 months ago | 0

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Answered
How can I close a while loop in a callback function
if value is 'off' the while loop condition will give error because on and off are not of same size so replace it will strcmp w...

3 months ago | 0

Answered
Close a message box in a while loop
Approach-1 f = msgbox('The City you entered is not in the list. Please enter a city in the list'); while(ishandle(f)) pau...

3 months ago | 0

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Answered
How to avoid duplicate random value when open multiple matlab session ?
add this in your code seed = randi(2020); rng(seed)

3 months ago | 0

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Answered
How to rename an existing structure A by assigning it a name stored in a string
You can use assignin for that purpose A = struct('X',1,'Y',2) new_name='B'; assignin('base',new_name,A); disp(B) B = st...

3 months ago | 0

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Answered
How to accelerate the process of `find` in large for loop ?
Try the following code A = [1 2 3 4 5 6 5 4 2 7]; B = [2 4 5]; [r,c] = find(A-B'==0); [~,ic] = sort(A(c)); c(ic)

4 months ago | 0

Answered
. xlsx to .csv conversion
https://www.mathworks.com/matlabcentral/answers/165743-converting-xls-and-xlsx-to-csv

4 months ago | 0

Answered
Can a scrip/function be written to navigate and edit data in the variables editor window using Matlab?
Option-1 You can do that using openvar and dbstop x = rand(1,5); openvar('x'); dbstop at 4 bpl = 1; % break point line No...

4 months ago | 0

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Answered
In MATLAB grader, how can I make assessments about a plot's marker shape or line width?
I dont have access to matlab grader but i think the following solution may work add these two lines in your code template (af...

4 months ago | 1

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Answered
Setting a Matlab GUI apps main figure to invisble
Run Test2.mlapp. Press To Plot, it will take you automatically to Test1 Test1 and Test2 must be in the same directory H...

4 months ago | 0

Answered
How do I flip an image without affecting the Y Axis?
Use flip (or fliplr,flipud) figure, subplot(211) imagesc(im, 'XData', xdata, 'YData', ydata);set(gca,'YDir','normal') subplo...

4 months ago | 1

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Answered
Shift data on a figure without reploting
Suppose that i have a figure fig = figure, ax = axes(fig); rng(2017) plot(ax,rand(1,10)) Now i dont know what is my data S...

4 months ago | 0

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Answered
how can we give x,y,z inputs to kalman filter program with out using inbuilt functions?
read kalman filter and implement its equations

5 months ago | 0

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Answered
converting column of datetimes in excel to datenumbers in matlab
T = readtable('zetdctestdata.xlsx'); T.datetime = cellfun(@(x)datenum(x,'mm/dd/yyyy HH:MM:SS'),T.datetime);

5 months ago | 0

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Answered
Small font size of toolbar
https://www.mathworks.com/matlabcentral/answers/446340-how-can-i-change-the-font-size-of-the-toolbars-at-the-top-of-the-matlab-w...

5 months ago | 0

Answered
Matlab jokes or puns
I am a Bit Late for i = 1:10 eval('soundsc([0,0.00234992522746325,-0.00311288796365261,-9.15555283427239e-05,0.003448591567...

5 months ago | 0

Answered
MATLAB Answers Wish-list #5 (and bug reports)
Badges Donot you all think that there should be Reputation Point Badge with the contributors name (untill he became a MVP) inst...

5 months ago | 0

Answered
MATLAB Answers Wish-list #5 (and bug reports)
Someone is Typing (Whistlist) This feature can be very usefull not for the questioner but for contributors. For example Wa...

5 months ago | 4

Answered
Display video-data of a three-dimensional M-by-N-by-T array
You can use implay or vision.VideoPlayer A = rand(360,640,676,'single'); implay(A,60)

5 months ago | 0

Answered
How can i Change pixel color?
I = imread('red.jpg'); figure,subplot(121),imshow(I) th = 20; [x,y,~]=size(I); for ii=1:x for jj=1:y if((I(i...

5 months ago | 0

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Answered
How to insert arrows at the middle of each of the parallel lines
https://www.mathworks.com/matlabcentral/answers/92988-how-do-i-plot-a-line-that-has-an-arrow-on-the-end-of-it-in-2-d-and-3-d ht...

5 months ago | 0

Answered
I have 2 contours on the same plot and I want to differentiate them with colours so I can see the difference.
I = imread('rice.png'); figure,subplot(121), imcontour(I);ax = gca; colormap(ax,'cool') subplot(122); imcontour(I);ax = gca...

5 months ago | 0

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Answered
How can I copy figure to UIAxes?
a = uiaxes; b = getframe(gca); imshow(b.cdata,'Parent',b) There might be some quality issues

5 months ago | 0

Answered
Remove peak at 0 hz of fft
FFT of X FFT of X High pass filtered

5 months ago | 0

Answered
Excel file processing on GUIDE
https://www.mathworks.com/help/matlab/import_export/ways-to-import-spreadsheets.html

5 months ago | 0

Answered
How to detect the uitable on GUI
all(cellfun(@isempty, data(:))) error is in this line. data(:) is a double array on which you are trying to apply cellfun al...

5 months ago | 0

Answered
3D-Surface between 2 lines.
I have a layman approach for this (The dumb method) get co-ordinates by cursor export them to workspace save it in a vari...

5 months ago | 0

Answered
How to solve normalize issue for app designer?
https://www.mathworks.com/help/matlab/creating_guis/managing-resizable-apps-in-app-designer.html

5 months ago | 0

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