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人工神经网络基本原理（３）麻红昭，俞蒙槐（浙江大学化工系３１００２７杭州）４误差反向传播学习算法及其存在的问题４．１误差反向传播学习算法感知机的学习算法，仅改变最后一层的权值，无法解决多层网络学习问题。１９８６年Ｒｕｍｅｌｈａｒｔ提出了反向传播（Ｂａ...
(3) Ma Hongzhao, Yu Huaihua (Zhejiang University Department of Chemical Engineering, Hangzhou 310027, China) 4 Error Back Propagation Learning Algorithm and Its Existing Problems 4.1 Error Back Propagation Learning Algorithm The learning algorithm of the perceptron is only changed The weight of the last layer, can not solve the multi-layer network learning problems. 1986 Rumelhart proposed back-propagation (Ba ...