Compute the reverse square function.
That is, an enclosure of all x ∈ X where x .^ 2 ∈ C.
x ∈ X
x .^ 2 ∈ C
Accuracy: The result is a tight enclosure.
sqrrev (infsup (-2, 1)) ⇒ ans = [-1, +1]
See also: @infsup/sqr.
Package: interval