Re: [R] integrate lgamma from 0 to Inf

2009-04-27 Thread JLucke
I am late to this discussion so forgive me if I am being redundant. It appears to me that the integral from 0 to infinity of log-gamma may diverge to infinity. Equation 6.1.50 of Abramowitz Stegun shows that a re-expression of lnGamma(x) and the Stirling approximation involves

Re: [R] integrate lgamma from 0 to Inf

2009-04-27 Thread Stavros Macrakis
On Wed, Apr 22, 2009 at 3:28 AM, Andreas Wittmann andreas_wittm...@gmx.de wrote: i try to integrate lgamma from 0 to Inf. Both gamma and log are positive and monotonically increasing for large arguments. What can you conclude about the integrability of log(gamma(x))? -s

Re: [R] integrate lgamma from 0 to Inf

2009-04-27 Thread JLucke
lgamma from 0 to Inf On Wed, Apr 22, 2009 at 3:28 AM, Andreas Wittmann andreas_wittm...@gmx.de wrote: i try to integrate lgamma from 0 to Inf. Both gamma and log are positive and monotonically increasing for large arguments. What can you conclude about the integrability of log(gamma(x