Method on @infsup: X = coshrev (C, X) ¶

Method on @infsup: X = coshrev (C) ¶

Compute the reverse hyperbolic cosine function.

That is, an enclosure of all x ∈ X where cosh (x) ∈ C.

Accuracy: The result is a tight enclosure.

coshrev (infsup (-2, 1))
  ⇒ ans = [0]

See also: @@infsup/cosh.

Package: interval