Subset time series plot
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I have a time series plot (y). I want divide the time series into subsets and subsequently extract the subsets separately. In other word, I want to divide the time series plot into equal chunks.
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Amit
il 26 Gen 2014
Modificato: Amit
il 26 Gen 2014
t = 0:0.001:10;
x = 0.2*cos(t) + cos(1.4*t) + 0.8*cos(5.2*t) + 0.02*randn(1, 10001);
N = 7; % Number of divisions
I = 1:ceil(numel(t)/N):numel(t);
if (I(end) ~= numel(t))
I = [I numel(t)];
end
for j = 1:N
Y{j,1} = [t(I(j):I(j+1))' x(I(j):I(j+1))'];
end
Here, Y is a cell array where every cell has the T and x subsections.
11 Commenti
Amit
il 26 Gen 2014
The code here plots every subset in a new figure. Thus you can see this.
The code I wrote pretty much covers what you asked. Try MATLAB documentation for different functions used here and you can figure out what changes you need to make from the code here to get what you want. With any effort from your side, this would spoon feeding.
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