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- W1998394269 abstract "We present a procedure to follow the path along the valley floor of a hypersurface. The aim is either to find minima, or to go from a minimum to a saddle point of index one, if the saddle is at the top of the valley floor. The motivation is that of taking into account local nonconvexity of the hypersurface and possibly to determine valleys. The method uses a projector technique where the projector is built by the tangent of the valley floor line. The projector is applied to the gradient and Hessian matrix of a given function, and it is used for predictor and corrector steps in path following. The resulting path is the valley floor gradient extremal which corresponds to the smallest (absolute) eigenvalue of the Hessian. Convergence properties are analysed." @default.
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- W1998394269 date "2003-06-01" @default.
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- W1998394269 title "A Valley Following Method" @default.
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- W1998394269 doi "https://doi.org/10.1080/0233193031000149902" @default.
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