Birbil, S.I.; Frenk, J.B.G.; Still, G.J. - Erasmus Research Institute of Management (ERIM), ERIM … - 2005
In this note we give an elementary proof of the Fritz-John and Karush-Kuhn-Tucker conditions for nonlinear finite dimensional programming problems with equality and/or inequality constraints. The proof avoids the implicit function theorem usually applied when dealing with equality constraints...
