Thomas

Last seen: 3 Monate vor | Aktiv seit 2011

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Love MATLAB :) Work with Wireless Sensor Networks, Medical Image processing (MRI,fMRi,DTI), High Performance Computing at UAB Professional Interests: Parallel Computing, Supercomputing, Wireless sensor networks

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Storing values from nested FOR loop (array only saves last run of results)
for i=1:4 for j=1:3 answerA(i,j)=i*1; answerB(i,j)=j*10; % tableA(i,:)=[answerA answerB] ...

mehr als 5 Jahre vor | 6

| akzeptiert

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how to find out if a number is even or not
You could perform a modulo division mod(4,2) % Even number ans = 0 mod(5,2) % Odd number ans =1 Answer wi...

mehr als 5 Jahre vor | 10

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Counting objects in an image
You could use techniques shown in many MATLAB image processing demos.

mehr als 6 Jahre vor | 0

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how to save a string as a filename?
Maybe something like this for number=1:10 file_name = sprintf('case study_#%d.txt',number); save(file_name,....

etwa 7 Jahre vor | 3

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Distributed and parallel computing without DCS
Hi Chuck, In order to perform distributed computing across multiple computers you need the DCS license. We have DCS running ...

fast 9 Jahre vor | 1

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Creating sub-matrices using one matrix
Look at the examples given here <http://stackoverflow.com/questions/13091193/how-to-select-a-submatrix-not-in-any-particular-pat...

etwa 10 Jahre vor | 0

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matrix generation 1 to n*n or interval
n=10; a=1:n*n; out=reshape(a,n,n)'

etwa 10 Jahre vor | 2

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Finding structure array entries with certain values
You could use something like this strs={'1' '2' '3' '4'} ind=find(ismember(strs,'4')) >> ind = 4

etwa 10 Jahre vor | 1

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Datenum: how many seconds in a day?
IF my guess is right matlab considers every day as 86400 seconds.. only in leap years does datenum make sure an extra day is add...

etwa 10 Jahre vor | 1

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Not enough input arguments
Are you giving it u as an array? try running it like this.. works fine.. u=1:5; cost_function(u) output is J =...

etwa 10 Jahre vor | 0

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Delete duplicate rows from a large cell array
wit_dup={'2000-01-10 1:00' 'HCM' '268' '20' '260' '2345' '0' '90' '2000-01-10 1:00' 'HCM' '268' '20' '260' '2345' '0' '...

etwa 10 Jahre vor | 0

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Is it possible to save . mat <4095x1384x2 double> file to txt file?
You can save it as slices data1=data(:,:,1); data2=data(:,:,2); and then save or he alternative would be to use resha...

etwa 10 Jahre vor | 0

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How to read DICOM RT Structure?
Might want to try <https://github.com/ulrikls/dicomrt2matlab> or try RSInfo=dicominfo('RS.ZZ_YUNINN_.dcm'); dicom...

etwa 10 Jahre vor | 4

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İ need to switch red and blue colors in RGB picture. How i can do that? my version of matlab is R2013a
Similar question: <http://www.mathworks.com/matlabcentral/answers/100476> or ii=imread('1.jpg'); % load original ...

etwa 10 Jahre vor | 2

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Doing a plot within a FOR LOOP
some thing like this? clear for i = 0.04 : 0.01 : 0.06 B = -20000 + 57300*((1+i)^-20) figure() ...

etwa 10 Jahre vor | 1

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How can I make subplots larger?
Do you just want to make the figure taller? x=1:10; y1=x.^0.5; y2=x; y3=x.^2; y4=x.^3; figure1=fig...

etwa 10 Jahre vor | 4

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Undefined function 'acker' for input arguments of type 'double'.
acker is the old pole placement function using Ackerman's formula from the control system toolbox.. try which acker ...

etwa 10 Jahre vor | 0

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can anyone provide me the code for motion detection in a video????????
Many of them are available in file exchange <http://www.mathworks.com/matlabcentral/fileexchange/18151-motion-detection-in-a...

etwa 10 Jahre vor | 1

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how to get average of more than one (atleast 2288) images?
An example is given here <http://stackoverflow.com/questions/5689639/how-to-average-multiple-images-in-matlab/14222792#14222792>...

etwa 10 Jahre vor | 0

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How to use parfor for fast matrix calculations with different dimensions???
You do not need to use 'parfor' or even 'for' to get to what you are trying (i.e. find 1's in the matrix). Is there a specific r...

etwa 10 Jahre vor | 0

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How can I find the indices of a vector?
[r,c]=find(A>=0.123)

etwa 10 Jahre vor | 0

Beantwortet
Is it possible to downgrade MATLAB?
You should get access to earlier releases if you buy a current license. Mine shows me as far back as R11.1 available for downlo...

etwa 10 Jahre vor | 0

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swap columns of a matrix
You could also use out= fliplr(k_minus) This flips the matrix left-right <http://www.mathworks.com/help/matlab/ref/fliplr...

etwa 10 Jahre vor | 2

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I'm trying to make a function to create a chirp signal with a clip distortion, when I run the function, It won't play and just displays columns, where is the problem?
run your code as follows a=SignalGen(10,200,1000,5,3,100); % suppress output Signal sound(a) % to hear

etwa 10 Jahre vor | 0

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Surface area of a 3D-plot from a matrix.
I do not think MALTAB has a built-in function. (I might be wrong though) However a similar question has been answered here <ht...

etwa 10 Jahre vor | 1

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how to find elements in an array
x = 1:100; y = 201:300; a=[ 215 250 283]; c=ismember(y,a) x(c) should give you 15 50 83

etwa 10 Jahre vor | 1

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feval(symengine, 'partfrac' command error
You forgot the * between 14 and x feval(symengine, 'partfrac', 4/ (((x - 7)^2 + 4^2 )* (x^2+14*x + 65)))

etwa 10 Jahre vor | 1

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How to change Elements in Matrix per row depending on their size in reference to a particular Element (without loop)
A laborious way of doing it.. B=[A(1,:);A(3,:);A(4,:)]; B(B >=3)=3; C=[A(2,:);A(5,:)]; C(C >=2)=2; Out=...

etwa 10 Jahre vor | 0

Beantwortet
How do I reshape a dataset?
a= rand (2,4) size(a) b=a' size(b) Is this what you are looking for ? or b= reshape(a,4,[]); ...

etwa 10 Jahre vor | 0

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How to add a folder permanently to matlab path?
You can put the addpath statement to startup.m Heres how to create startup.m <http://www.mathworks.com/help/matlab/ref/startu...

etwa 10 Jahre vor | 3

| akzeptiert

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