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Why a pure primal Newton barrier set may be infeasible. (English) Zbl 0821.65039

This is an informal analysis of the behaviour of the primal Newton barrier method for nonlinear programming. The author shows that the “long step” is “in general” infeasible. Some numerical illustrations are presented.

MSC:

65K05 Numerical mathematical programming methods
90C30 Nonlinear programming
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