[Rd] trigamma for very large arguments (PR#14020)

Jerry.Lewis at BiogenIdec.com Jerry.Lewis at BiogenIdec.com
Thu Oct 22 04:20:13 CEST 2009

Previous message: [Rd] R Updates or Changes in corporate version of R
Next message: [Rd] R quits immediately upon start-up (PR#14021)
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Full_Name: Jerry W. Lewis
Version: 2.9.2
OS: Windows XP Professional
Submission from: (NULL) (96.237.55.233)


trigamma(x) returns 0 for x>1e152, yet
  trigamma <- function(x) 1/x
gives machine accuracy for any x>1e16

Previous message: [Rd] R Updates or Changes in corporate version of R
Next message: [Rd] R quits immediately upon start-up (PR#14021)
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

More information about the R-devel mailing list