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Mehmed Saad


Last seen: 8 días ago
340 total contributions since 2020

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Answered
How to remove unwanted points in point cloud
The cheapest and easiest method is use of brush Select Points you want to delete now press delete

2 meses ago | 0

Answered
How to change the color of model obtained from pcfitsphere
load('object3d.mat'); figure pcshow(ptCloud) xlabel('X(m)') ylabel('Y(m)') zlabel('Z(m)') title('Original Point Cloud'...

2 meses ago | 0

| accepted

Answered
Removing/clearing NaN/0 values from matrix/array data
A = [0;9;6;4;3];iA = A~=0; B = [1;3;4;0;0];iB = B~=0; ind = iA&iB; A = A(ind) B = B(ind) A = 9 6 B = 3...

2 meses ago | 0

Answered
How do I erase following data?
you can use find but not recommended x = [36 33 31 29 30 27 31 33 24]; x(find(x<28,1):end) = nan x = ...

2 meses ago | 1

Answered
How to add specified text to coordinates of points in "contour"?
Here is a sample code I hate putting comments in code so try to understand it. [X,Y,Z] = peaks; contour(X,Y,Z,20) hold on x...

2 meses ago | 0

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Answered
Plot not disappearing when using STOP button and visible off
Read this https://www.mathworks.com/matlabcentral/answers/96629-why-does-setting-the-visible-property-for-axes-to-off-also-set...

2 meses ago | 0

| accepted

Answered
some thing wrong with SORT function
c = [35 10 16 11 34]; Now after sorting a = [10 11 16 34 35]; what is the position of first index of a in c. it is 2, for 2n...

2 meses ago | 0

Answered
App designer UIAxes loop
x.test_1_se = 10;x.test_2_se = 20;x.test_3_se = 30; str_val = strcat('test_',string(1:3),'_se'); y = zeros(1,3); for u = 1:...

2 meses ago | 1

| accepted

Answered
calling invisible figures without toggling visibility
f= figure(1); a = axes(f); f.Visible = 'off'; x = 1:10; y = 1:10; plot(a,x,y) Now when you want to see the picure, just...

2 meses ago | 1

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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...

8 meses 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 ...

9 meses 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 ...

9 meses 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...

9 meses 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...

9 meses 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)

9 meses ago | 0

| accepted

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...

9 meses ago | 0

| accepted

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)

10 meses ago | 0

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

10 meses 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...

10 meses 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...

10 meses ago | 1

| accepted

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...

10 meses 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...

10 meses 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...

10 meses 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

10 meses 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);

10 meses ago | 0

| accepted

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...

10 meses 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...

10 meses 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...

10 meses 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...

10 meses 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)

10 meses ago | 0

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