Is it possible to add a function in MATLAB that automatically wraps my data to a certain range of values?
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MathWorks Support Team
on 27 Jun 2009
Commented: Elizabeth Reese
on 2 Jul 2021
I am trying to plot angles and would like to have a function that automatically wraps my data to a certain range of values.
For example, if I want my angles to be in the range of between -180 to 180 degrees, then I would like the angle -220 degrees to be converted to 140 degrees.
Accepted Answer
MathWorks Support Team
on 2 Jul 2021
Edited: MathWorks Support Team
on 2 Jul 2021
The ability to automatically convert a number to wrap around a certain range of values is not available as a built-in function in MATLAB 7.6 (R2008a).
However, the following wrapping functions are available in the Mapping Toolbox:
WRAPTO2PI
WRAPTO360
WRAPTO180
WRAPTOPI
These functions make use of the MOD function and some logical operations to achieve the described conversion.
2 Comments
Adam Danz
on 28 Mar 2021
> For example, if I want my angles to be in the range of between -180 to 180 degrees, then I would like the angle -220 degrees to be converted to 140 degrees.
wrapTo180(-220) % requires mapping toolbox
If you do not have access to the Mapping Toolbox or if you want to wrap numbers to an interval other than [-pi,pi], [0,2pi], [-180,180], or [0,360], you can use mod as suggested above or use wrapToInterval() on the file exchange.
Elizabeth Reese
on 2 Jul 2021
Adam, thank you for pointing out the error. We've updated the answer to include your suggested change.
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