Thomas
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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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Feeds
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] ...
casi 6 años hace | 6
| aceptada
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...
alrededor de 6 años hace | 10
| aceptada
Counting objects in an image
You could use techniques shown in many MATLAB image processing demos.
alrededor de 7 años hace | 0
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,....
casi 8 años hace | 3
| aceptada
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 ...
más de 9 años hace | 1
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...
más de 10 años hace | 0
matrix generation 1 to n*n or interval
n=10; a=1:n*n; out=reshape(a,n,n)'
más de 10 años hace | 2
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
más de 10 años hace | 1
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...
más de 10 años hace | 1
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 =...
más de 10 años hace | 0
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' '...
más de 10 años hace | 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...
más de 10 años hace | 0
How to read DICOM RT Structure?
Might want to try <https://github.com/ulrikls/dicomrt2matlab> or try RSInfo=dicominfo('RS.ZZ_YUNINN_.dcm'); dicom...
más de 10 años hace | 4
| aceptada
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 ...
más de 10 años hace | 2
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() ...
más de 10 años hace | 1
| aceptada
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...
más de 10 años hace | 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 ...
más de 10 años hace | 0
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...
más de 10 años hace | 1
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>...
más de 10 años hace | 0
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...
más de 10 años hace | 0
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...
más de 10 años hace | 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...
más de 10 años hace | 2
| aceptada
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
más de 10 años hace | 0
| aceptada
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...
más de 10 años hace | 1
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
casi 11 años hace | 1
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)))
casi 11 años hace | 1
| aceptada
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=...
casi 11 años hace | 0
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,[]); ...
casi 11 años hace | 0
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...
casi 11 años hace | 3
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