History of BP Algorithm Rumelhart [1986]popularized the BP algorithm in the Paralle/Distributed Processing edited volume in the late 1980's. ■ BP algorithm overcame the limitations of the perceptron algorithm,limitations that Minsky and Papert[1969]had carefully enumerated. BP's popularity begot waves of criticism.BP algorithm often failed to converge,and at best converged to local error minima. The wave of criticism challenged BP's historical priority. The wave of criticism challenge whether the BP learning was new.The algorithm not offer a new kind of learning.History of BP Algorithm ◼ Rumelhart [1986]popularized the BP algorithm in the Parallel Distributed Processing edited volume in the late 1980’s. ◼ BP algorithm overcame the limitations of the perceptron algorithm, limitations that Minsky and Papert[1969] had carefully enumerated. ◼ BP’s popularity begot waves of criticism. BP algorithm often failed to converge, and at best converged to local error minima. ◼ The wave of criticism challenged BP’s historical priority. ◼ The wave of criticism challenge whether the BP learning was new. The algorithm not offer a new kind of learning