Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8594
Title: Neural network for nonsmooth, nonconvex constrained minimization via smooth approximation
Authors: Bian, W
Chen, X 
Keywords: Clarke stationary point
Condition number
Neural network
Nonsmooth nonconvex optimization
Smoothing approximation
Variable selection
Issue Date: 2014
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on neural networks and learning systems, 2014, v. 25, no. 3, 6627988, p. 545-556 How to cite?
Journal: IEEE transactions on neural networks and learning systems 
Abstract: A neural network based on smoothing approximation is presented for a class of nonsmooth, nonconvex constrained optimization problems, where the objective function is nonsmooth and nonconvex, the equality constraint functions are linear and the inequality constraint functions are nonsmooth, convex. This approach can find a Clarke stationary point of the optimization problem by following a continuous path defined by a solution of an ordinary differential equation. The global convergence is guaranteed if either the feasible set is bounded or the objective function is level bounded. Specially, the proposed network does not require: 1) the initial point to be feasible; 2) a prior penalty parameter to be chosen exactly; 3) a differential inclusion to be solved. Numerical experiments and comparisons with some existing algorithms are presented to illustrate the theoretical results and show the efficiency of the proposed network.
URI: http://hdl.handle.net/10397/8594
ISSN: 2162-237X
EISSN: 2162-2388
DOI: 10.1109/TNNLS.2013.2278427
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