Mizutani, Eiji Second-order stagewise backpropagation for Hessian-matrix analyses and investigation of negative curvature. [electronic resource] - Neural networks : the official journal of the International Neural Network Society - 193-203 p. digital Publication Type: Journal Article ISSN: 0893-6080 Standard No.: 10.1016/j.neunet.2007.12.038 doi Subjects--Topical Terms: AlgorithmsHumansLearning--physiologyLeast-Squares AnalysisNeural Networks, ComputerNumerical Analysis, Computer-Assisted