Section: Inspection Functions
y = isset('name')
where name
is the name of the variable to test. This
is functionally equivalent to
y = exist('name','var') & ~isempty(name)
It returns a logical
1 if the variable is defined
in the current workspace, and is not empty, and returns
a 0 otherwise.
isset
--> who Variable Name Type Flags Size a double [23 12 5] ans uint32 [1 1] c int32 [1 3] f string [1 5] p double [1 256] x cell [2 1] y struct [1 1] --> isset('a') ans = <logical> - size: [1 1] 1 --> a = []; --> isset('a') ans = <logical> - size: [1 1] 0 --> a = 2; --> isset('a') ans = <logical> - size: [1 1] 1