Can I give a dependent constraint in Multiobjective Optimization using Genetic Algorithm

I have a multiobjective optimization problem, solved by GA. I need to give an upper bound to a variable which is dependent of another variable.

In other words,

I have 6 variables for optimization and I want to give a constraint/bound like:

x(1)< x(3)

Can I give such a constraint/bound?

Answer 1

[Matt J]

It is a linear constraint

 x(1)-x(3)<=0

Use the A,b input matrices to express it,

A=[1 0 -1 0 0 0];
b=0;