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Why does my matlab R2014a be so slow in initilization ??
<http://www.mathworks.com/matlabcentral/answers/97167-why-will-matlab-not-start-up-properly-on-my-windows-based-system>

11년 초과 전 | 0

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Convert strings to array of function handles
a = [1 2 3]; b = circshift(a,[0 -1]); all_num = [a;a;b;b]; argument = sprintf('a(%i)*x(%i)^3 - b(%i)*x(%i)\r\n',...

11년 초과 전 | 0

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Efficient way to calculate backwards average
numRows = 100; numCols = 100; data = rand(numRows,numCols); result = flipud(bsxfun(@rdivide,cumsum(flipud(data)),...

11년 초과 전 | 1

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Seeking a fast way to determine if axes are current
isempty(get(gcf,'CurrentAxes')) will tell you if there are any current axes in _gcf_ . This is basically an edit of the _g...

11년 초과 전 | 0

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How to use datestr(now)
vec = datevec(now); month_list = {'January' 'February' 'March' 'April' 'May' 'June' ... 'July' 'August' 'September' ...

11년 초과 전 | 0

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Generate n pairs of random integers, whose 0 <= pairwise_sum <= k
num_pairs = 100; max_val = 10; tot_sum = randi(max_val + 1,[num_pairs,1]) - 1; %Need to include 0 result = rand(n...

11년 초과 전 | 0

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How to permanently change the temp directory matlab uses?
<http://answers.microsoft.com/en-us/windows/forum/windows_7-files/change-location-of-temp-files-folder-to-another/19f13330-dde1-...

11년 초과 전 | 0

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How do I find the Nth high number in a matrix A ?
If you want to take care of repeated values: vals = randi(200,10); uVals = sort( unique(vals(:)) ); result = uVals(end-4...

11년 초과 전 | 0

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How to use parallel computing
In order for Matlab to compute the functions on different cores (not the same as different processors), you could always: a ...

11년 초과 전 | 0

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Excel to Text Conversion
The easy way: Import to matlab using [numData textData rawData] = xlsread('myFile.xlsx'), %doc xlsread for more details ...

11년 초과 전 | 2

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Problem using ttest and signrank functions
[p, h, stats] = signrank(squeeze(post), squeeze(pre), 'alpha', pval);

11년 초과 전 | 0

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Why Kmeans function give us give different answer?
Because, if you are using the default settings, _kmeans()_ *randomly selects a starting point*. The algorithm is not determinist...

11년 초과 전 | 1

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how to display a direction vector in matlab
doc quiver doc feather

11년 초과 전 | 0

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delete zero rows only with one number
your_mat = A(all(A(:,2:end),2),:)

11년 초과 전 | 1

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how to implement hanning window with 50% overlap
Please make it easier for to help you and <http://www.mathworks.com/matlabcentral/answers/13205-tutorial-how-to-format-your-ques...

11년 초과 전 | 0

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MCR not found when running application
You need the right version of the <http://www.mathworks.com/products/compiler/mcr/ Matlab Compiler Runtime> installed in that ma...

11년 초과 전 | 1

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Splitting up a vector into a matrix
data = rand(3); result = reshape(data,3,3)';

11년 초과 전 | 1

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I have a question about how to display a result in static text.
sprintf('The flow obtained for %f is %f, and pressure line for this value is %f',[1.1 pi exp(1)])

11년 초과 전 | 0

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Cannot set axes limits
Set the limits *after* you issue the _plot()_ command.

11년 초과 전 | 0

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eigen vectors and values algorithm
Matlab uses BLAS and LAPACK. <http://www.physics.orst.edu/~rubin/nacphy/lapack/eigen.html> If you want to know the actual...

11년 초과 전 | 0

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Calculate difference between two times?...something it's wrong here¡
What makes you think it should be _0000 00 01 03 00 00_? From the documentation: *A serial date number represents a calend...

11년 초과 전 | 3

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how plot X=const
x = 1:100; y = cos(x .* 2 .* pi ./100); X = rand(1,10) .* 100; Y = interp1(x,y,X); plot(x,y,'r-','Marker'...

11년 초과 전 | 0

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how to plot a 3-dimensional matrix
doc plot3

11년 초과 전 | 2

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Warning: Name is nonexistent or not a directory
Look at the documentation on _exist()_. _functions()_ is a built-in Matlab function, it is not a path. But more importantly, pat...

11년 초과 전 | 0

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Simple help needed with identity matrices and selection
Almost there: A=eye(6,6); A(1:3,4:6)=eye(3); A(4:6,1:3)=eye(3); _eye_ without arguments returns 1.

11년 초과 전 | 0

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Possible to run matlab frontend on one Linux box, backend on another?
<http://enews.techsource.com.sg/oct11/spotlight.html Yes>, but not automagically and with significant drawbacks if, like me, you...

11년 초과 전 | 0

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How to scale/normalize values in a matrix to be between -1 and 1
Once you have your result: scaledl = scaledl.*2 - 1; Or directly: result = -1 + 2.*(data - min(data))./(max(data) - m...

11년 초과 전 | 4

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How to plot a offset in a graph
I am not sure I understand what you want to achieve. x = sort(rand(10,1)); y = sort(rand(10,1)); plot(x,y,'b-') hold...

11년 초과 전 | 0

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Why is sort() taking longer to resolve on multiples of 512?
Maybe it has something to do with data padding. If you use single precision format, then the jumps come at multiples of 1024. (S...

11년 초과 전 | 0

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Finding parfor baffling: Can anybody explain to me why this little bit of code works with for,but not with parfor?
Looks like the interpreter is not smart enough to detect that there is no race condition in the case you present. You could go a...

11년 초과 전 | 1

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