plotdata2.m

支持向量机工具箱

function plotdata2(X, Y)
%绘制样本数据点

hold on;
ind = find(Y==1);

plot(X(ind,1), X(ind,2), 'rp');      %用红色角星标记+1类数据

ind = find(Y==-1);
plot(X(ind,1), X(ind,2), 'mo');      %用紫色圆点标记-1类数据

axis xy;