感知器算法----Matlab实现

data=[0 0 -1;0 1 1 ; -1 0 1 ; 1 1 -1]; X = data(:, [1, 2]); y = data(:, 3); m = size(X,1); plotData2(X,y); X = [ones(m,1) X]; error = 1; W=[0;0;0]; first = 1; tim=0; alph=0.1; hold on axis([-2 2 -2

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