Determine if input is structure array
tf = isstruct(A)
tf = isstruct(A) returns
logical 1 (true) if A is
a MATLAB® structure and logical 0 (false)
otherwise.
patient.name = 'John Doe';
patient.billing = 127.00;
patient.test = [79 75 73; 180 178 177.5; 220 210 205];
isstruct(patient)
ans =
1is* | isa | iscell | ischar | isfield | islogical | isnumeric | isobject | istable | struct