Abstract
Most of algorithms solving linear complementarity problems will terminate when a solution, or a proximate solution, is found or the problem is shown to have no solution. It is well known that if the underlying matrix belongs to the class , then the problem has a unique solution which could be found by various highly effective algorithms. However, when the matrix is not a
-matrix the problem can have more than one solution, and these algorithms in general only find one of them. This article will produce a representation formula of the solution set of the linear complementarity problem with the underlying matrix belonging to a class much larger than
. Based on the formula, an algorithm could be developed for completely solving the problem of this type.
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Acknowledgements
The author would like to thank the referees for their helpful comments and valuable suggestions.
Disclosure statement
No potential conflict of interest was reported by the author.