function z = mkex24(p1,p2)
% model m_k eq (2.12) Nocedal and Wright
%xk = [0;1];
%delfk = [-2;20];
 z = 11 + -2*p1 + 20*p2 + .5*(-38*p1.^2 + 20*p2.^2);
end

