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Reset button
You will have to hard-code this functionality. You will need to create a pushbutton and then under that new pushbutton function ...

environ 14 ans il y a | 1

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Multithreaded FILTER?
*I ran this on my 8-core machine using R2009a:* function myFilterTest x = rand(1e6, 8); x1 = x(:,1); x2 = x(:,2); x3 = x(:,...

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Matrix Polynomial Equation solution
I ran this as a test, and it looked like the value I randomly chose for "T" below matched the "TT" predicted by "fsolve". It loo...

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how to find which bin the number goes to in histogram
If you have: X = rand(1,1000); nbins = 25; [n,xout] = hist(X,nbins); Then "xout" will give you the center of the bin l...

environ 14 ans il y a | 3

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How can I get MATLAB to open objects outside of MATLAB using the mouse?
There is some information: <http://www.mathworks.com/matlabcentral/newsreader/view_thread/156064/ Here> Other contributors migh...

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??? Index exceeds matrix dimensions.
You are not creating any x beyond x(1). In your inner "for" loop you have: c = F*(c(c+1)+c(c-1))+(1-2*F)*c; Which probably s...

environ 14 ans il y a | 0

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A problem in writing a code
The first line in your third "for" loop is: mat2 = y_d - ((h_minus * u_minus) - (Output - y_d)); which is basically: ...

environ 14 ans il y a | 0

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vectorization
If A is an NxN matrix: A(1:N+1:N*N) = 0;

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Non-Constant Frequency & FFT
You can always interpolate the data to regular spaced 90Hz data. This can be done upfront with the time domain data or you can k...

environ 14 ans il y a | 0

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ls unix command not working
You can use "dir" instead

environ 14 ans il y a | 0

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First and second derivative of the function using fft?
I have another example, <http://www.mathworks.com/matlabcentral/answers/17611-how-to-convert-a-accelerometer-data-to-displacemen...

environ 14 ans il y a | 0

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FORTRAN code in MATLAB
I am running on a unix machine. If I had Matlab code that depends on the output of Fortran code (and I didn't want to spend time...

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FORTRAN code in MATLAB
In my experience, Matlab will most likely be slower than its Fortran equivalent. Instead of trying to manipulate the original Fo...

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Question

Interpret string to form sequence of numbers
I want to see if something like this already has been discussed (so I am not reinventing the wheel). Basically, I will read in a...

environ 14 ans il y a | 1 réponse | 0

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indexing
Are you trying to create a row vector with all the different combinations of q1, q2, q3, and q4? If so: q1=11; q2=22; q3=33;...

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Find end of line (EoL) in a text file using MATLAB code
It won't work if you read in each string one-by-one, you have to read in each character one-by-one for it to work. fid = fope...

environ 14 ans il y a | 0

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all possible permutations
Or... a = perms([1, -1, 2, -2, 3, -3, 0]); b = a(:,1:4); c = unique(b,'rows');

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simple operations
a = [0 0 1 2 2 2 7]; b = unique(a); b = [0 1 2 7]

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Pausing a for loop execution
Check out "doc uiwait". Basically, you will just change the above to: for idx = 1:length(missing_sigs) mis_sig_no_tok = s...

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Cyclic colormap for visualizing angles
You can pick out your favorite colormap (doc colormap for examples) and then just wrap it around itself. So, for example, you ca...

plus de 14 ans il y a | 1

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100 permutation
Stab in the dark: sizeX = [4,5]; permlimit = 100; X = reshape(1:prod(sizeX),fliplr(sizeX))'; Y = zeros([permlimit, sizeX(2...

plus de 14 ans il y a | 0

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Stuck in a While loop...sometimes
The problem is with the population where "living" is equal to (0.8). There are cases where no combination of adding or subtracti...

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understand difference between analytic result of Fourier transform and result of fft() function
Since the "fft" has no idea what the time increment (i.e., Ts) of your data is, the result you are given basically assumes your ...

plus de 14 ans il y a | 2

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Critical points of a polynomial function
Does something like this work: x_range = [0,10]; p = [1,4,-2,1]; % the 3rd order polynomial coefficients for (x^3+4*x...

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How to see freq response of a wave file
None of the above works? Try: wave_file = 'name.wav'; [wave_data_time, sample_rate] = wavread(wave_file); N_temp = lengt...

plus de 14 ans il y a | 2

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Storing a Finite Difference History
It may be more time consuming, but if you could code something up to simply write out the results to a text file (or binary file...

plus de 14 ans il y a | 0

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I have written the equations to Proving Parseval's Relation but are giving me different answers Can you help?
Make sure the way you define things is consistent with the following definitions: If: - fs = sample rate (samples per secon...

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finding sequences
Here is an example that will get you on your way: t = 0:0.1:10; f = sin(2*pi/3*t); p = zeros(size(t)); s = ones(size(t))...

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Question

Dynamic context menus?
Is it possible to create a dynamic context menu in a Matlab GUI? For example, I would like to create a context menu with the sam...

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heatmap visualization of earthquake data
You may be able to use this as a solution to the interpolation problem (i.e., allow you to interpolate on an irregular grid): ...

plus de 14 ans il y a | 0