Name
is_scalar — check if a matrix is a scalar
CALLING SEQUENCE
[ret]=is_scalar(x)
PARAMETERS
- Input
x = a (nxm) matrix
- Output
ret0 = 1 if x is scalar, 0 in other cases
DESCRIPTION
Checks if a matrix is a scalar
EXAMPLE
is_scalar(5)
//returns 1
is_scalar(ones((4,1))
//returns 0.