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Grocer >> Basic functions > trend

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)
// returns
//!   1.   !
//!   4.   !
//!   9.   !
//!   16.  !
//!   25.  !
//!   36.  !
//!   49.  !
//!   64.  !
//!   81.  !
//!   100. !

AUTHOR

Eric Dubois 2002

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