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generate random numbers in engineering notation with precision
By default, variables in Matlab are double. If you want to change the way they are displayed, please look at: doc format ...

más de 13 años hace | 0

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Short question: Functions with multiple outputs
None

más de 13 años hace | 1

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Best Fit Line Drawing
Without a toolbox: x = 1:10; y = x + randn(1,10); plot(x,y,'b*') P = polyfit(x,y,1); yfit = P(1)*x...

más de 13 años hace | 0

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realtime frame acquisition while recording video
If your frame is really rgb data, then the red channel will be: your_red = squeeze(frame(:,:,1)); In the future please tr...

más de 13 años hace | 1

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32bit Windows 8gb RAM with Ramdisk > Out of Memory in parfor
Would using 64bit solve this: Probably. In 32 bits your variables can't be larger than around 4GB. What other things can you ...

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How to get the volume of a 3D concave shape?
Not automagically. You could try the file exchange. In 3D you could use the _delaunay()_ function and sum up the volumes of all ...

más de 13 años hace | 1

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Processing 'fopen' and save() on files _1, _2, _3 etc. at once
<http://www.mathworks.se/help/matlab/import_export/process-a-sequence-of-files.html>

más de 13 años hace | 0

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Question regarding hist3 fucntion
You could remove the data that are close to [0 0] before getting your histogram If you want to remove values equal to [0 0]; ...

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Problem with how to select the best result from a loop calculation
the_best = bitmax; %largest possible value, Inf would work as well for ii = 1:1000 your_new_min = %however you get ...

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Eliminate nested FOR loop
The following snippet will give the average for each month, using the _nanmean_ function. The first column of _your_result_ is t...

más de 13 años hace | 0

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Dealing with Character arrays
You probably need a cell array, especially if all the strings are not guaranteed to be of the same size. col1 = char(resha...

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Not enough input arguments error when using exp
That's because you are not passing any arguments to the _exp()_ function. You probably meant: f = 5*exp(2*x - sin(x^2)); ...

más de 13 años hace | 4

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How do I find the number of occurrences of NaN and the corresponding subscripts in an array
Another option: logical_array = A(2:end,2:end) ~= A(2:end,2:end) num_NaN = sum(logical_array(:)); idx = find(logical_arr...

más de 13 años hace | 2

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error (rounding or user) in simple math op
It is due to numerical precision, and is expected behavior. <http://www.mathworks.com/matlabcentral/answers/57444-faq-why-is-...

más de 13 años hace | 1

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Creating a submatrix from a matrix
A = [1 3 7; 10 1 2; 11 5 9; 12 2 5] your_mat = A(all(A<=7,2),:); I looked at your question history. Please accept an ans...

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Possible to use string variable in plot title?
This is a bit convoluted, and probably pointless, but it will get a string from a variable name. Fz = rand(100,1); fun = @...

más de 13 años hace | 0

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How to make the contents available in a function for calculation in another function
First function: function [a] = b a = [1 2 3]; Second function: function [e,f] = d(foo); %You need to pass an a...

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The mean of a subset of data
mean(your_data(your_data>0));

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Short question: Matrix with two arguments
It can mean several things. * Output of a function: [x y] = somefunction(arg1, arg2) The function has two outputs, a...

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Axes' position after adjusting data aspect ratio
What happens is that the axes object is not actually the white square you see. If you go to the property editor and click on bot...

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Making legend entry with multiple markers side-by-side
* _Place the markers next to each other:_ If you are talking about changing a property to make it happen then the answer is n...

más de 13 años hace | 0

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formatting axes for a plot
If all you want to do is to add the annotation in your plot, you don't need to add the 'XTicks'. You could just add this sect...

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Formatting the plot command
xVals = 1e10:1e10:1e11; aH = axes; plot(aH,xVals,rand(10,1)); set(gca,'XTickLabel',sprintf('%2.0e|',xVals)); Pleas...

más de 13 años hace | 0

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Is there a way to lower the XTickLabels a little?
aH = axes; plot(rand(10,1)); xCoord = get(aH,'Xtick'); yCoord = get(aH,'YLim'); yCoord(2) = []; offset = 0.05; ...

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questions about "plotperform" and performance graph
MSE or mean squared error, gives you the difference between observation and simulation. The lower the better. In this case it me...

más de 13 años hace | 0

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force a scientific notation format
x = 0:0.1e4:0.1e5; y = randn(11,1); plot(x,y,'b-o') xVals = 0:0.1e4:0.1e5; set(gca,'xtick',xVals); set(gca,'XTick...

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How to read long double?
I think the long double type is dependent on the architecture. If you wanted a really robust routine, you could read bit by bit ...

más de 13 años hace | 1

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How to view a shape file in matlab
doc mapshow It can be as simple as: S = shaperead(filename); mapshow(S); As long as you have latitude and longitud...

más de 13 años hace | 2

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linking two axes with rotate3D
h(1) = figure(1); v(1) = plot3(rand(10,1),rand(10,1),rand(10,1)); h(2) = figure(3); v(2) = plot3(rand(10,1),rand(10,1),ra...

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Hello, I have different time series data in differend time spane. eg. One I have from year 2004 to 2011 and one I have year 2007 to 2011 . How to get a plot so that I can get both time series with my X- axis within the range from 2004 to 2011
Assuming you have your dates as a Matlab serial date number, and that you want to set the limits in the active figure: set(g...

más de 13 años hace | 0