the
lnβ
of
(
expression ,
expression )
lnβ
(
expression ,
expression )
Expression yields an integer
, a number
, or a complex
.
The lnβ
function computes the natural logarithm of the beta function.
The expression
is equivalent to lnβ
(x,y)
. lngamma
(x) + lngamma
(y) - lngamma
(x+y)