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how can i divide a plot into ranges of different length

Asked by meli-joe Abou chedid on 28 Oct 2018
Latest activity Edited by jonas
on 28 Oct 2018
hello, i have a plot of different straight lines, and i would like to divide it into different ranges of x values, but that has different lengths so i can use these ranges in a for loop later.

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Answer by jonas
on 28 Oct 2018
Edited by jonas
on 28 Oct 2018

It's a bit unclear what you mean by the question. You could divide the set of data into segments using logical indexing. For example
x = 0:0.1:2*pi;
y = sin(x);
s{1} = x > pi;
s{2} = x <= pi;
Now you can plot the first and second part separately.
plot(x(s{1}),y(s{1}),'r',...
x(s{2}),y(s{2}),'b')
It's also trivial to access the different segments in a loop.

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