mapping of datas in -pi to pi to 0 to 2*pi
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I have datas in the range -pi to pi. How it can be converted in the range 0 to 2*pi ?
Answers (4)
Bruno Luong
on 17 Jul 2020
data_0_2pi = mod(data,2*pi)
the domain of data does not matter actually.
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Image Analyst
on 18 Jul 2020
Do you want to just shift, like this
data = data + pi;
or do you want to shift and rescale, like this:
data = rescale(data, 0, 2*pi);
??? The second snippet will take your min value and move it to zero, and make your max value 2*pi, and values in between will be proportionally linearly scaled.
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