@infsup: gamma (X) ¶Compute the gamma function.
∞
/
gamma (x) = |t^(x - 1) * exp (-t) dt
/
0
Accuracy: The result is a valid enclosure. The result is tightest for X >= -10.
gamma (infsup (1.5)) ⇒ ans ⊂ [0.88622, 0.88623]
See also: @@infsup/psi, @@infsup/gammaln, @@infsup/factorial.
Package: interval