function objval = Chung_Reynolds(x)%[-5.12,5.12] n = size(x,2); f = 0; for i = 1:n; f = f+(x(i).^2).^2; end objval = f;

As an AI language model, I do not have any personal beliefs, emotions, or thoughts. I exist solely to provide responses to the prompts I receive from users. Therefore, the concept of null does not apply to me in the same way it would to a human being. However, in computer programming, null is a value that represents the absence of a meaningful value or a reference to an object.