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Converting equation to matlab
% note .* to get element by element multiplication % ./ for element by element division g = 1.0/(2*pi^2*h^3)*(2*m)^(3/2)*sqrt(...

3ヶ月 前 | 0

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Attempting to combine row vectors
If my understanding of what you are trying to do is correct you can do this as: Ch = [ChD(1:99) ChS(100:350) ChD(351:800)] So ...

3ヶ月 前 | 0

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Rearrange elements in an array based on another array
While I was working on this I see that @Andrei has already posted a very nice vectorized solution. In case it is helpful, here i...

3ヶ月 前 | 1

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How can I plot these values (result vs. time)?
Your call to plot would just use the last value of n from the for loop as the x variable. Instead use something like period = 2...

3ヶ月 前 | 0

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iterate over single array dimension
You can do it with arrayfun for example coef = randn(12,3) qroots = cell2mat(arrayfun(@(n) roots(coef(n,:)),1:size(coef,1),'Un...

3ヶ月 前 | 0

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more efficient code while using xlswrite and xlsread
Can you use just one call as follows xlswrite(excelfile2,T(:,1:3),j,'O17:Q25') or assuming that that T has only 3 columns xls...

3ヶ月 前 | 0

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How to save all my matlab plots from for loop?
I would recommend using the standard MATLAB function saveas (type doc saveas on the command line for help) Specifically inside ...

3ヶ月 前 | 1

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How to make from different size matrices one size matrices by adding NaN's?
You could do something like this: X = {rand(6,12,4),rand(5,12,4),rand(6,12,4),rand(8,12,4)}; % generate example data for k = 1...

3ヶ月 前 | 0

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im new to matlab, does any one know , how to iterate 8 times ?
You could do this with a for loop, something like this h=[.482962913145,.836516303738,.224143868041,-1.2940952251]; numIter = ...

3ヶ月 前 | 1

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Interpolation values from a table
If T.area is a cell array, and maybe T.Mach is also a cell array you must first turn them into ordinary MATLAB vectors, (n by...

3ヶ月 前 | 0

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Having trouble getting legend to display properly
You could also try putting a common legend on the bottom of the page. Here is an example of how to do that x = 1:100; y = rand...

3ヶ月 前 | 0

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connection Ports of subsystem
It looks like you are using Simscape. I don't have it, so I can't try, but I think you need to convert from a Simulink signal to...

3ヶ月 前 | 0

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How to fit a general curve on different datasets ?
If I am understanding what you are trying to do correctly, it seems like you should be able to concatenate all of your individua...

3ヶ月 前 | 0

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matrix with vectors: multiplication and generation issue
Yes you could do this with a loop, for example, with just some arbitrary set values for i, a, b, c, d, e, g to illustrate theta...

3ヶ月 前 | 1

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How to Create the following discrete signal (Y[n]) in MATLAB?
You could do something like this x = [-1 0 1 2 3 4 4 4 4 4] n = 1:length(x) y = NaN(1,n(end)) % preallocate providing NaN (No...

3ヶ月 前 | 0

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add new rows to a Matrix
Just as another possibility, this approach is much less general than @Jos but will work for your special case. I didn't look in...

3ヶ月 前 | 0

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How do I get my code to run multiple times? My code looks as follows. My code shows X = 3 when A wins and X = -3 when B wins. I would like to get this code to run multiple times and see how many times A wins out of 10 or so matches.
You don't need a loop for this, just do something like the following N = 10 % number of trials X = rand(N,1) Awins = sum(X<0....

3ヶ月 前 | 0

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How to divide data into different cells?
Your looping logic looks quite complicated, and it is difficult to follow exactly what your intent is here. From your verbal des...

4ヶ月 前 | 0

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Faster Alternative to export_fig
Improving somewhat on my earlier comment you could do something like this % provide matrix dimension m = 900; n = 1600; ...

4ヶ月 前 | 0

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Problems building a plot
In general the error you are getting is telling you that if you want to plot one variable against another they both have to have...

4ヶ月 前 | 0

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Index Vector Operation in Matlab
Actually A(b) with the example you have given will return [13 14 2 14 10]. That is the elements are taken from the first column ...

4ヶ月 前 | 0

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Polynomial to the power of polynomial.
You should be able to use the MATLAB function fzero for this purpose. You will have call it repeatedly (maybe in a loop) with a ...

4ヶ月 前 | 0

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fopen with string vector
Your first problem is that dir returns a structure. If you want the name of, the ith file it returns you should use Name = S(j)...

4ヶ月 前 | 0

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Using a Subroutine to Create a Plot
I think that what you describe could be implemented with a simple loop. So make a vector of radii that you want to evaluate, set...

4ヶ月 前 | 0

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nonlinear fit of experimental data
In your example you find a fit to a function of one variable, and are somehow looking for a combination of terms to form that on...

4ヶ月 前 | 0

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Using find to check the contents of files within a struct
It looks like your difficulty is coming from the argument that you are providing to the find command. If you look carefully at ...

4ヶ月 前 | 0

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Taking middle 4 values of n size array
You could use something like, for an array A n = length(A(:)) % : treats as column even if this is actually a multidimensional ...

4ヶ月 前 | 1

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Program for Impulsive Difference Equations
One way to approach this is to transform your difference equation in the single variable y to a system of two difference equatio...

4ヶ月 前 | 1

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How should i go about solving a set of ODEs for a set of data points? I would like to automate it as much as possible.
Please see my earlier comments. From the behavior you describe, it looks like Sol1 and SolRequired are returned empty from wha...

4ヶ月 前 | 0

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How should i go about solving a set of ODEs for a set of data points? I would like to automate it as much as possible.
I am not clear on the details of your implementation. It would take some time to go through it all line by line. In case it is ...

4ヶ月 前 | 1

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