Grocer Function
NAME
trend - exponentiated time trend
CALLING SEQUENCE
[xmat]=trend(p,nobs)
PARAMETERS
Input
- p = exponent of the time-trend
-
nobs = size of the matrix
Output
- xmat = (nobsx1) vector containing trend
DESCRIPTION
Produces a vector equal to a time-trend with exponentiation p.
EXAMPLE
ext=trend(2,10)
This example gives the matrix:
! 1. !
! 4. !
! 9. !
! 16. !
! 25. !
! 36. !
! 49. !
! 64. !
! 81. !
! 100. !
AUTHOR
Eric Dubois 2002