A neurodynamic model for solving nonsmooth constrained optimization problems with affine and bound constraints
In this paper, a non-penalty differential inclusion-based model is proposed for solving nonsmooth convex optimization problems subject to linear equality and bound constraints. We prove the convergence of the trajectories to the equality feasible region in finite time. Also, the equivalence of the equilibrium point of the proposed neural network and the optimal solution of the original optimization problem is shown. In addition, we prove the stability of the proposed neural network in the sense of Lyapunov and the global convergence to an exact optimal solution to the original problem. In comparison with some existing models for solving nonsmooth convex optimization problems, there does not exist any penalty parameter or penalty function in the model's structure and the implementation of the proposed model is easier. In the end, as an application, the proposed neural network is reduced to a model for solving nonsmooth convex optimization problems subject to linear equality and $xgeq0$ constraints. Also, some illustrative examples are given to show the effectiveness of the proposed neural networks.
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