%Federica Tinti (ftinti@math.unipd.it)
%Department of Mathematics of Ferrara (ITALY)
%
%map of the Kojima Shindo test problem
%
function [f]=kojshi(x)
%
%Reference:
%J.-S. Pang, S.A. Gabriel, 'NE/SQP: A robust algorithm for the nonlinear 
%complementarity problem', Mathematical Programming, 60 (1993), pp.295-337.
%
f=[3*x(1)^2+2*x(1)*x(2)+2*x(2)^2+x(3)+3*x(4)-6
    
   2*x(1)^2+x(1)+x(2)^2+10*x(3)+2*x(4)-2 
   
   3*x(1)^2+x(1)*x(2)+2*x(2)^2+2*x(3)+9*x(4)-9 
   
   x(1)^2+3*x(2)^2+2*x(3)+3*x(4)-3];
