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If I call matlabpool open 4 and I have 4 cores, will I work in parallel with 4 or with 3 workers?
If you call matlabpool open local 4 - you will have 4 workers (though you will have 5 matlab instances running - 1 master ans 4 ...

약 7년 전 | 2

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Is it possible to refresh a web page I opened with Matlab?
Put it in a while loop ii=1; while ii==1 [stat,h] = web('www.cnn.com'); % open site pause(10) % wait 10 sec...

약 7년 전 | 0

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plotting intensity over time
Eg: s=rand(3,3,10); % 10 images of size 3x3 in a 3d matrix s pixel1(1,:)=s(1,1,:); % pixel 1,1 from each matrix i...

약 7년 전 | 0

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MATLAB Solve function gives [ empty sym ]
I assume the equation does not have an explicit solution. Does matlab throw out an error that explicit solution cannot be fou...

약 7년 전 | 0

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reading a particular value from a textfile
To read the data in mth row in th column of variable c use fid = fopen ('\sample.txt'); c=fscanf (fid, '%g%g'); c(m,n)...

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How to detect peak value of continous input signal

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How to find the located points after smoothing the data? (See Figure)
There are multiple options for smoothing the data <http://www.mathworks.com/help/curvefit/smoothing-data.html> doc smooth...

약 7년 전 | 0

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how to get permutation of each rows of matrix
a=[ 1 2 2 2 2 3]; for ii=1:size(a,1) q(ii,:,:)=unique(perms(a(ii,:)),'rows'); end ou...

약 7년 전 | 1

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How to represent values in horizontal in bar chart
I have found these to be good solutions <http://www.mathworks.com/matlabcentral/fileexchange/8722-rotate-tick-label> <htt...

약 7년 전 | 0

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Does Matlab provide a formel editor?
I assume you could use the symbolic math toolbox. <http://www.mathworks.com/products/symbolic/description2.html>

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Saving values in workspace automatically for a loop
This video should help: http://blogs.mathworks.com/videos/2007/08/20/matlab-basics-video/ You can save the output in a vec...

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how to find indices on a boundary?
regionprops might help doc regionprops look at the section 'perimeter' <http://www.mathworks.com/help/images/ref/regio...

약 7년 전 | 0

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how to access Cell data

약 7년 전 | 0

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Summing nonsequential elements in a matrix
works just fine a=magic(5) a = 17.00 24.00 1.00 8.00 15.00 2...

약 7년 전 | 1

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You can find some examples here: <http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F> and <http://ww...

약 7년 전 | 0

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using kmeans function in parallel
Don't know if this would help but you can find an implementation of k-means in MATLAB using MATLABmpi (message passing interface...

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how to find overlapping intervals?
Your question is a little ambiguous but her is something you can use doc intersect To see where the arrays overlap ...

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how to choose the value?
An example of how to use switch case: adapt for your particular case busNum=input('Enter the bus number:'); switch b...

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How to save in for loops
Refer to my answer here <http://www.mathworks.com/matlabcentral/answers/39966> This video should also help <http://blogs.math...

7년 이상 전 | 1

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why code using parallel processing has longer running time than the other?
Huda, You are running a small jobs which might have more overhead parallelizing sincce the number of iterations or jobs size ...

7년 이상 전 | 1

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extract from different .mat file to plot
A small example is here: <http://stackoverflow.com/questions/10668362/how-i-read-mat-format-files-from-folder-in-matlab> Anot...

7년 이상 전 | 0

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Java Mac OSX 10.6 Update 12 Problem with Matlabpool?
What java version are you at. Open terminal and type java -version I tested with java version "1.6.0_37" Jav...

7년 이상 전 | 1

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Creating a submatrix from a matrix
A = [1 3 7; 10 1 2; 11 5 9; 12 2 5] out=A(find(sum(A<=7,2)==size(A,2)),:) % rows with elements <=7

7년 이상 전 | 0

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How to get z for different x
x = [-2:0.1:2]; z=x.*(1-x).*(2-x).*(4-x)./((6-x)-(1-x).*(x-7)) You missed the . before the division to do element by e...

7년 이상 전 | 0

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Using find to compare matrices
You do not need find Y = [1,2,3,3,1; 5,6,7,8,9]' Y((Y(:,1)==1),2) % id =1 Y((Y(:,1)==2),2) % id=2 Y((Y(:,1)=...

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How can I determine the frequency of a text term occurring in a matrix and add this frequency to the matrix?
a={'CSARDLSGG##YNEQFF' 'CSARDLRPGGAYNEQFF' 'CSALGGGSTYNEQFF' 'CSALGGGSTYNEQFF' 'CSALGGGSTYNEQFF' 'CSAGVRLAGGVYQETQYF' 'CSAGTRK...

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Save many vectors in one file
a=rand(10,1); % first vector b=rand(10,1); % second vector c=rand(10,1); % third vector out=[a b c] % com...

7년 이상 전 | 0

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What are the MATLAB job options?
Here is a basic search from a job site showing skill in MATLAB needed.. <http://jobsearch.monster.com/search/?q=matlab> t...

7년 이상 전 | 0

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May I get the matlab code for Otsu's method of Thresholding (Gray Scale Image)?
The graythresh function uses Otsu's method, which chooses the threshold to minimize the intraclass variance of the black and whi...

7년 이상 전 | 2

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change matrix from 3D TO 2D
Your matrix has 512*512*3=786432 elements.. to reshape you need to keep the number of elements the same.. That means you cannot ...

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