lngamma¶

Purpose¶

Computes the natural log of the gamma function.

y = lngamma(x)¶

Parameters:	x (NxK matrix or N-dimensional array) – all elements must be positive.
Returns:	y (NxK matrix) – containing the natural log of the gamma function of each of the elements in x.

x = { 4, 8 };
y = lngamma(x);

y =   1.7917595
      8.5251614

The relation between lngamma() and lnfact() is:

lngamma(x) = lnfact(x - 1);