Search directions in pattern search via rotation

Details Search directions in pattern search via rotation Search directions in pattern search via rotation

2008-03-04

2008-03-04

Knight, Anthony (Department: 2121)

Data processing: artificial intelligence

Knowledge processing system

Knowledge representation and reasoning technique

Reexamination Certificate

active

07340441

ABSTRACT:
In performing a pattern search algorithm to find an optimal solution for an optimization, using a set of positive basis vectors that is non-maximal like a set of minimal positive basis vectors as search directions can sometimes causes the algorithm to converge at a non-optimal solution, like a horse saddle. The present invention provides a method to overcome this deficiency by rotating the vectors and hence increase the number of search directions.

REFERENCES:
patent: 5058034 (1991-10-01), Murphy et al.
patent: 2004/0030665 (2004-02-01), Sullivan

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