isstruct

Determine if input is structure array

Syntax

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 =

     1