A sequential LCP method for bilevel linear programming
Annals of Operations Research - Special issue on hierarchical optimization
Discrete Applied Mathematics
Fundamentals of Artificial Neural Networks
Fundamentals of Artificial Neural Networks
Neuro-Dynamic Programming
Neural Networks for Optimization and Signal Processing
Neural Networks for Optimization and Signal Processing
On the hinge-finding algorithm for hingeing hyperplanes
IEEE Transactions on Information Theory
Efficient algorithms for function approximation with piecewise linear sigmoidal networks
IEEE Transactions on Neural Networks
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This paper considers the data fitting of n given points in Rm by a hinge function, as it appears in Breiman (IEEE Trans. Inform. Theory 39(3) (1993) 999) and Pucar and Sjöberg (IEEE Trans. Inform. Theory 44(3) (1998) 1310). This problem can be seen as a mathematical programming problem with a convex objective function and equilibrium constraints. For the euclidean error, an enumerative approach is proposed, which is a polynomial method in the sample size n, for a fixed dimension m. An alternative formulation for the l1 error is also introduced, which is processed by a Sequential Linear Complementarity Problem approach. Some numerical results with both algorithms are included to highlight the efficiency of those procedures.