Gamultibojective Problem "Not enough input arguments." Error

Hi eveyone;

Even for this simple case, I receive the following error.

I can't figure out the problem. Would you please comment how to solve the problem

error

Not enough input arguments.

Error in my_objfunction (line 4)

z(1) = data(1)+data(2);

Error in mult_obj_calisma (line 3)

x = gamultiobj(my_objfunction,2);

++

script

clc; clear all; close all;

x = gamultiobj(my_objfunction,2);

++

+++

function part

function z = my_objfunction(data)

%UNTITLED5 Summary of this function goes here

% Detailed explanation goes here

z(1) = data(1)+data(2);

z(2) = data(1)-data(2);

end

+++

Answer 1

[Matt J]

x = gamultiobj(@my_objfunction,2);

[Fatih Yigit]

Thanks a lot.