Beantwortet
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>

fast 12 Jahre vor | 0

Beantwortet
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',...

fast 12 Jahre vor | 0

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

fast 12 Jahre vor | 1

Beantwortet
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...

fast 12 Jahre vor | 0

| akzeptiert

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

fast 12 Jahre vor | 0

| akzeptiert

Beantwortet
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...

fast 12 Jahre vor | 0

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Beantwortet
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-...

fast 12 Jahre vor | 0

| akzeptiert

Beantwortet
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...

fast 12 Jahre vor | 0

Beantwortet
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 ...

fast 12 Jahre vor | 0

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

fast 12 Jahre vor | 2

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

fast 12 Jahre vor | 0

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Beantwortet
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...

fast 12 Jahre vor | 1

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

fast 12 Jahre vor | 0

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

fast 12 Jahre vor | 1

Beantwortet
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...

fast 12 Jahre vor | 0

Beantwortet
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...

fast 12 Jahre vor | 1

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

fast 12 Jahre vor | 1

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Beantwortet
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)])

fast 12 Jahre vor | 0

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

fast 12 Jahre vor | 0

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Beantwortet
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...

fast 12 Jahre vor | 0

Beantwortet
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...

fast 12 Jahre vor | 3

Beantwortet
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'...

fast 12 Jahre vor | 0

Beantwortet
how to plot a 3-dimensional matrix
doc plot3

fast 12 Jahre vor | 2

Beantwortet
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...

fast 12 Jahre vor | 0

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Beantwortet
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.

fast 12 Jahre vor | 0

Beantwortet
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...

fast 12 Jahre vor | 0

Beantwortet
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...

fast 12 Jahre vor | 4

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Beantwortet
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...

fast 12 Jahre vor | 0

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Beantwortet
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...

fast 12 Jahre vor | 0

Beantwortet
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...

fast 12 Jahre vor | 1