Method on @infsup: realsqrt (X) ¶

Compute the square root (for all non-negative numbers).

Accuracy: The result is a tight enclosure.

realsqrt (infsup (-6, 4))
  ⇒ ans = [0, 2]

See also: @@infsup/sqr, @@infsup/rsqrt, @@infsup/pow, @@infsup/cbrt, @@infsup/nthroot.

Package: interval