function enlarge

Enlarges X by specified integer SCALE.

Syntax
result = enlarge(X, SCALE [, method])

Arguments

X:   The array to be enlarged

SCALE:   The resulting array will be SIZE times bigger than X

method:   Optional, determines how to enlarge:

method = 0:   Center original image (default)

method = 1:   Center original image, edge values are mean of edge

method = 2:   Blow up pixels

X:	The array to be enlarged
SCALE:	The resulting array will be SIZE times bigger than X
method:	Optional, determines how to enlarge:
method = 0:	Center original image (default)
method = 1:	Center original image, edge values are mean of edge
method = 2:	Blow up pixels