duration.abs
duration: B = abs (A)
Absolute value of the elements of a duration array.
B = abs (A) returns the absolute value of each element
in the duration array A. The returned duration array B has
the same size as the input array A.
Source Code: duration
abs returns the magnitude of a (possibly negative) duration.
d = minutes (30) - hours (2)
d = duration -90 min
abs (d)
ans = duration 90 min