Section: Array Generation and Manipulations
iscell
is
x = iscell(y)
and it returns a logical 1 if the argument is a cell array and a logical 0 otherwise.
iscell
--> iscell('foo') ans = <logical> - size: [1 1] 0 --> iscell(2) ans = <logical> - size: [1 1] 0 --> iscell({1,2,3}) ans = <logical> - size: [1 1] 1