Psi

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Psi (digamma) functions

Psi (digamma) functons as per the Gnu Scientific Library, section 7.27 of the reference manual.

Keywords
array
Usage
psi_int(n, give=FALSE, strict=TRUE)
psi(x, give=FALSE, strict=TRUE)
psi_1piy(y, give=FALSE, strict=TRUE)
psi_1_int(n, give=FALSE, strict=TRUE)
psi_1(x, give=FALSE, strict=TRUE)
psi_n(m, x, give=FALSE, strict=TRUE)
Arguments
n
input: integer values
m
input: integer values
x
input: real values
y
input: real values
give
Boolean with TRUE meaning to return a list of three items: the value, an estimate of the error, and a status number.
strict
Boolean, with TRUE meaning to return NaN if status is an error.
Aliases
  • Psi
  • psi_int
  • psi
  • psi_1piy
  • psi_1_int
  • psi_1
  • psi_n
Examples
psi_int(1:6)
psi(pi+(1:6))
psi_1piy(pi+(1:6))
psi_1_int(1:6)
psi_n(m=5,x=c(1.123,1.6523))
Documentation reproduced from package gsl, version 1.2-20, License: GPL

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