Please help me to solve the errors in the program

clc
IntCon = 1;
function z=fun(x)
z = ((x(1)^2 + x(2)^2 - 11)^2 + (x(1)+ x(2)^2 - 7)^2 );
A = [];
b = [];
Aeq = [];
beq = [];
lb = [0 0];
ub = [6 6];
nonlcon = [];
x = ga(@fun,2,A,b,Aeq,beq,lb,ub,nonlcon,IntCon)

Answer 1

[Walter Roberson]

Just need the definition for the function to be below the rest of the script.

IntCon = 1;
A = [];
b = [];
Aeq = [];
beq = [];
lb = [0 0];
ub = [6 6];
nonlcon = [];
x = ga(@fun,2,A,b,Aeq,beq,lb,ub,nonlcon,IntCon)

Optimization terminated: average change in the penalty fitness value less than options.FunctionTolerance
and constraint violation is less than options.ConstraintTolerance.

x = 1×2

3.0000 1.7321

function z=fun(x)
z = ((x(1)^2 + x(2)^2 - 11)^2 + (x(1)+ x(2)^2 - 7)^2 );
end