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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