Multiple solutions to a third-order three-point nonhomogeneous boundary value problem aided by nonlinear programming methods

Abstract

. In this work, we consider a third order equation of three points with non-homogeneous conditions at the border. We apply Avery Peterson’s theorem, and present a theoretical result that guarantees the existence of multiple solutions to this problem under certain conditions. In addition, we present non-trivial examples and a new numerical method based on optimization is introduced.