Respondida
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>

más de 11 años hace | 0

Respondida
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',...

más de 11 años hace | 0

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

más de 11 años hace | 1

Respondida
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...

más de 11 años hace | 0

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

más de 11 años hace | 0

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Respondida
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...

más de 11 años hace | 0

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Respondida
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-...

más de 11 años hace | 0

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Respondida
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...

más de 11 años hace | 0

Respondida
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 ...

más de 11 años hace | 0

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

más de 11 años hace | 2

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

más de 11 años hace | 0

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Respondida
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...

más de 11 años hace | 1

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

más de 11 años hace | 0

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

más de 11 años hace | 1

Respondida
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...

más de 11 años hace | 0

Respondida
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...

más de 11 años hace | 1

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

más de 11 años hace | 1

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Respondida
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)])

más de 11 años hace | 0

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

más de 11 años hace | 0

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Respondida
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...

más de 11 años hace | 0

Respondida
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...

más de 11 años hace | 3

Respondida
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'...

más de 11 años hace | 0

Respondida
how to plot a 3-dimensional matrix
doc plot3

más de 11 años hace | 2

Respondida
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...

más de 11 años hace | 0

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Respondida
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.

más de 11 años hace | 0

Respondida
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...

más de 11 años hace | 0

Respondida
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...

más de 11 años hace | 4

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Respondida
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...

más de 11 años hace | 0

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Respondida
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...

más de 11 años hace | 0

Respondida
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...

más de 11 años hace | 1