the
β
of
(
expression ,
expression )
β
(
expression ,
expression )
Expression yields an integer
, a number
, or a complex
.
The β
function computes the value of the beta function, also known as the Euler integral of the first kind.
The expression
is equivalent to β
(x,y)
. gamma
(x) * gamma
(y) / gamma
(x+y)