Grocer Function
NAME
crlag - circular lag function
CALLING SEQUENCE
[y]=crlag(x,n)
PARAMETERS
Input
-
x = input vector (tx1) or (1xt)
-
n = # of values to return (optional; default=t)
Output
-
y = a (nx1) (if x is (1xt)) or a (1xn) (if x is (1xt))vector with:
* y(1) = x(n)
* y(2) = x(1)
...
* y(n) = x(n-1)
DESCRIPTION
Circular lag function
EXAMPLE
y=crlag([1:5])
gives:
y=[5 1 2 3 4]
AUTHOR
Eric Dubois 2002