isempty¶

check if a variable is an empty matrix or an empty list

Calling Sequence¶

t=isempty(x)

:x vector, matrix or list : :t a boolean :

isempty(x) returns true if x is an empty matrix or an empty list.

a=1
isempty(a(2:$))
isempty(`find`_(`rand`_(1:10)==5))