get number of elements of a structure array in matlab

main.m
% Define a structure array
students(1).name = 'Alice';
students(1).age = 20;
students(1).gpa = 3.5;

students(2).name = 'Bob';
students(2).age = 22;
students(2).gpa = 3.2;

students(3).name = 'Charlie';
students(3).age = 21;
students(3).gpa = 3.7;

% Get the number of elements in the structure array
num_students = numel(students);

disp(['There are ', num2str(num_students), ' students.']);
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main.m
There are 3 students.
22 chars
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