Method on @infsup: tanh (X) ¶

Compute the hyperbolic tangent.

Accuracy: The result is a tight enclosure.

tanh (infsup (1))
  ⇒ ans ⊂ [0.76159, 0.7616]

See also: @@infsup/atanh, @@infsup/coth, @@infsup/sinh, @@infsup/cosh.

Package: interval