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why is my plot not showing anything
try k = 8.9870e+009; q1 = .000000024820; q2 = .000005200901; r = [.10,.15,.20,.25,.30,.40]; ...

約14年前 | 2

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store the output of a for loop in an array
try F= @(x) (cos(x))./sqrt(1+sin(x)); count=1; for n=0:0.1:pi/2 q (count)= quad(F,0,n); count=count+1; ...

約14年前 | 0

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Max peak between two points using ginput
I dont know if this is what you are looking for? c=rand(1,10) % generate some random data plot(c) % plot the...

約14年前 | 0

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arranging a matrix
Perhaps you need something like this.. c=[]; for ii=1:120 a=rand(2,7); %generate 2x7 matrix every loop c=[c;a]; ...

約14年前 | 0

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GPU and SSH
Quadro 4000 has a compute capability of 2.0 which is more than enough for MATLAB. Your CUDA drivers do not seem to have loade...

約14年前 | 3

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writing data to a file
Hmm.. I am unable to reproduce your circumstance.. d=262206552555 fid = fopen('new1.txt', 'w'); fprintf(fid,'%d\n',d)...

約14年前 | 0

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getAllOutputArguments only returns one result per node, not per core
I just checked my parallelSubmitFcn file for our SGE cluster. We keep procsPerNode = 1; SGE has a different way of...

約14年前 | 0

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Textscan
try fid1=fopen('input.dat','r'); C=textscan(fid1,'%s'); fclose(fid1); %Edit out=cell2mat(C{1}) % this is ...

約14年前 | 0

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want source code.
Here is Alan Hwang's profile on file exchange. <http://www.mathworks.com/matlabcentral/fileexchange/authors/31143> I'm not s...

約14年前 | 0

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How to Save Matrices to excel multiple times with incremental excel name to avoid overwrite
Cant test this right now, but you could try.. for ii=1:3, C = rand(1,10); % some random data fname=strca...

約14年前 | 2

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How to find the two nearest values related to a constant
a=[1250 2320 3520 4650 5550 6760]; b= 3700; % this will work even if 'a' is in random order d=sort(abs(b-a)); ...

約14年前 | 4

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colors of barh
Unfortunately that is not how barh works. You can find more documentation on barh usign doc barh % v=[1,2,3;2,2...

約14年前 | 0

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Having problems with saving vectors in a loop
This video should help: <http://blogs.mathworks.com/videos/2007/08/20/matlab-basics-video/> Eg> for jj = 1:500 ...

約14年前 | 0

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plotyy and legend display
If you are calling the legend like this now.. [AX,H1,H2] = plotyy(x,y1,x,y2,'plot','plot'); legend(H1,'y1'); legend(H...

約14年前 | 0

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Regarding LEACH protocol
<http://www.mathworks.com/matlabcentral/fileexchange/25853-wireless-networks> Leach implementation

約14年前 | 0

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Capturing Mouse click on a Figure
Dunno if this will help y=0 % intial value of y==0 k=waitforbuttonpress; % detect mouse click if k==0 % ...

約14年前 | 0

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Filter Butterworth
It will depend on what you are trying to do (low pass, highpass, band pass, band stop) You have Ws hence your Wp will change ...

約14年前 | 0

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estimation, equalization and detection
Not sure what this has to do with MATLAB.. but here goes after a short goggle search: Estiamtion: <cache.freescale.com/file...

約14年前 | 0

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imshow
You could use something like the following: <http://www.mathworks.com/matlabcentral/fileexchange/7900-movie-from-a-sequence-o...

約14年前 | 0

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Wireless sensor networks
You might be better off deciding on one (or at the most two) routing protocols for wireless sensor networks.. LEACH is a good al...

約14年前 | 1

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storing binary data as .txt file and as binary data
You could also try % this will show the pretty output formatted file.. x=[1:1:100]; y=dec2bin(x,8); new=cellstr(...

約14年前 | 1

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Finding the n'th element satisfying a condition
Seems to be the fastest way of doing this.. Index might make it faster (though I doubt it..) try timing it..

約14年前 | 0

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switch statement help
try clear variables disp('1 for CH4');disp('2 for CO2');disp('3 for N2'); nc =input('components: '); if nc > 5 ...

約14年前 | 0

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how to find the variance of each row in a matrix?
out=var(X,0,2)

約14年前 | 1

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Count the number of non-zero elements of a column/row of a 2D-Matrix?
Try: a=[3 0 0;0 2 0; 1 0 4] %input matrix sum(a~=0,2) % no. of nozero elements in each row

約14年前 | 12

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plotyy and a third plot
The reason your colors of the axis and your plot and legends dont go together is because you are changing the default color of t...

約14年前 | 0

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How to use Semilogy in MATLAB
try saving A as a vector and move the plotting outside. for n=1:10, % loops from 1 to 10 n A(n)=cond(n); % give...

約14年前 | 1

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Error Message: ??? Undefined function or method 'SimpleSurround' for input arguments of type 'char'.
You have named your function call 'SimpleSurrond' and not 'SimpleSurround'.. function SimpleSurrond( filename, OUTfile ) ...

約14年前 | 2

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TUTORIAL: how to ask a question (on Answers) and get a fast answer
Maybe this post should be a 'sticky' post at the top of the answers forum..

約14年前 | 0

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Jetty Problem
You have not defined 'n' anywhere in your code... what is 'n'? *EDIT* based on the comment hat n=number of steps Change...

約14年前 | 0