Method on @infsup: wid (X) ¶

Get the width of interval X.

If X is empty, wid (X) is NaN. If X is unbounded in one or both directions, wid (X) is positive infinity.

Accuracy: The result is a tight enclosure of the interval’s actual width.

wid (infsup (2.5, 3.5))
  ⇒ ans = 1

See also: @@infsup/inf, @@infsup/sup, @@infsup/rad.

Package: interval