Perceptron算法 口误差函数 口对w求导 L(w,b)=-y:(w·X+b) S∈M VL(w,b)=-∑y XIEM VL(w,b)=-∑y, XIEM 口选取样本(xyi) w←—w+7y:x: b←—b+7.y F.Rosenblatt.The perceptron:A probabilistic model for information tora9e3nd-6 iinthbrain..Psycholog线关2望（程识别》电子科技大学研究生《模式识别》 Perceptron算法 o 6 F. Rosenblatt. The perceptron: A probabilistic model for information storage and organization in the brain. Psychological Review, 65:386-408, 1958