Grocer Function
NAME
is_scalar - check if a matrix is a scalar
CALLING SEQUENCE
[ret]=is_scalar(x)
PARAMETERS
Input
Output
-
ret0 = 1 if x is scalar, 0 in other cases
DESCRIPTION
Checks if a matrix is a scalar
EXAMPLE
1) is_scalar(5)
2) is_scalar(ones((4,1))
Example 1 returns 1, Example 2 returns 0.
AUTHOR
Eric Dubois 2002