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Stalin Samuel

939 total contributions since 2014

MBA(Financial Management) @ Annamalai University
BE(Electronics & Communication Engineering) @ Anna University

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Answered
how to get the (x,y) coordinate values of points touching bounding box
Let us assume that, you have the image(from bounding box) in variable "Elysi". Then you can get the co-ordinate values using bel...

19 hours ago | 0

Answered
How can I correctly use if and elseif?
create a file with below code function [tf] = time(t,toe) tk=t-toe; if tk>302400; tf = ...

20 hours ago | 1

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Answered
How to supress figures popping up different filters
<https://in.mathworks.com/matlabcentral/answers/98969-how-can-i-temporarily-avoid-figures-to-be-displayed-in-matlab temporarily ...

20 hours ago | 0

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Answered
What are Image Detection Techniques in MATLAB ?
<https://in.mathworks.com/discovery/image-recognition.html Recognition methods in image processing>

22 hours ago | 0

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Solved

How to subtract?
* Imagine you need to subtract a few numbers using MATLAB. * You will not be using eval for this task. * Given two ASCII strin...

5 months ago

Answered
Scanning strings in a string array
A = {'abc', 'def', 'ghi', 'lmn'}; A{1} ans = 'abc' A{1}(1) ans = 'a'

5 months ago | 0

Answered
Error: Matrix Dimensions must agree while using char
use "strcmp" for comparison a = 10; b = input('My name is: ', 's'); if strcmp(b,'Abdul') a = 11067; else ...

6 months ago | 1

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Answered
How can i merge three columns into one
z=[A;B;c]

6 months ago | 1

Answered
Want to create an array of filenames on every row of a matrix
%hello = 0; for i = 1:8 str = [strcat('world',' ', num2str(i))] hello{i,:} = str; end

6 months ago | 0

Answered
How do I take the average of every 50th term in a 2500x1 vector?
s=rand(2500,1); %2500x1 vector Out1=mean(reshape(s,[50 50])); %mean of every 50 values out2=mean(s(50:50:2500)) % mean ...

6 months ago | 0

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Answered
How to avoid this problem "consider preallocating the memory .for speed" in the below sample code
Refer the below url which has example of Preallocation # <https://in.mathworks.com/matlabcentral/answers/99124-how-do-i-pre-...

6 months ago | 0

Question

how to excecute MongoDB query from matlab
* I have successfully made the <https://www.mathworks.com/examples/matlab/community/20021-matlab-interface-to-mongodb-workflow ...

7 months ago | 0 answers | 0

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answers

Answered
How to connect USB webcam in Motion-Based Multiple Object Tracking Matlab Example.
<https://in.mathworks.com/help/supportpkg/usbwebcams/ug/acquire-images-from-webcams.html details: Acquire Images from Webcams>...

7 months ago | 0

Answered
How can I change penwidth in 'DrawLine' in Psychtoolbox?
<https://github.com/Psychtoolbox-3/Psychtoolbox-3/wiki/Cookbook:-screen-examples screen examples>

7 months ago | 0

Answered
webread is not working or sending an error code
* i Think you have saved your file name as "webread.m" * If so ,Kindly rename the file

7 months ago | 0

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Answered
How to display the results of the system to the matlab gui that was made?
set(handles.edtm, 'String', num2str(E3));

7 months ago | 0

Answered
delete empty cells of data array
Similar discussions * <https://in.mathworks.com/matlabcentral/answers/27042-how-to-remove-empty-cell-array-contents LInk 1> ...

7 months ago | 0

Answered
matlab code for read all jpeg images in a directory and convert it into png
Follow the below steps * <https://in.mathworks.com/matlabcentral/answers/385-how-to-read-images-in-a-folder Get name of all t...

7 months ago | 0

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Answered
Add a waitbar to a function execution
I have not found any error in the given code. I tested (Matlab 2017a) the code and wait bar working fine.Instead of your functio...

7 months ago | 0

Answered
Optimal for Image analysis
* PNG offers you lossless data comparing to JPEG ( <https://www.labnol.org/software/tutorials/jpeg-vs-png-image-quality-or-bandw...

7 months ago | 0

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

8 months ago

Question

MATLAB 2017a has stopped working while executing webcam command .
When i was trying to take a snapshot using my webcam, "webcamlist" command detected my webcam perfectly. But while executing "w...

8 months ago | 0 answers | 0

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answers

Answered
how to compare two images?
click <https://stackoverflow.com/questions/8938817/image-comparison-using-matlab here> to view similar discussions and solution...

9 months ago | 0

Answered
Extracting the column value of a table
Let us assume that you have the table like this table_name = [ aggtc, 2] [ agtg, 2] [ aggc, 3] then col...

9 months ago | 0

Answered
How do I generate a video from images that I create on MATLAB?
<https://in.mathworks.com/help/matlab/examples/convert-between-image-sequences-and-video.html Create New Video with the Image Se...

9 months ago | 0

Answered
How can i have contour lines invisible in contourf?
[cs,hc]=contourf(args); set(hc,'EdgeColor','none')

9 months ago | 0

Question

how to place a image on a specific coordinates of figure
<</matlabcentral/answers/uploaded_files/79028/place%20image%20in%20specific%20coordinate%20of%20figure.png>> I wants to place...

10 months ago | 1 answer | 0

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answer

Question

how to read php file using matlab ?
i tried using "urlread" ,which reads the html file .Why not php? . Even i specify php file it returned result which excludes th...

12 months ago | 1 answer | 0

1

answer

Answered
Sum over cell array of sparse matrices
v1=[S{1:100}]; Sum=sum(v1);

12 months ago | 0

Answered
Help needed to calculate complex voltage
* The result of (j*w0*C) has the size of 7x6 matrix * But G is a 7x7 matrix * So you are getting dimension mismatch error

1 year ago | 0

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