unwrap the angle code

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Niraj
Niraj 2012-11-15
Hi, I have a vector of angles which are in the range of -360 to 360. I need to unwrap them. I donot have the wrap and unwrap built in function in my old version of MATLAB.
Could any one come up with a small piece of code to unwrap manually?
Thanks please reply.

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回答（1 个）

C.J. Harris
C.J. Harris 2012-11-15
Going from a range of -360 to 360 degrees to 0 to 360 degrees is usually called wrapping the angle, not unwrapping. This anonymous function should do the trick:
wrap = @(x)mod(x,360);
Example:
nAngle = -270;
wrap(nAngle)
ans =
90

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