e_quadratic.asv

来自「支持向量机工具箱」· ASV 代码 · 共 21 行

% load training data living in the input space
input_data = load('vltava');
% map data to the feature space
subplot(1,2,1);title('原始分布');
 h1=ppatterns(input_data);
 legend([h1],'Training set');


map_data = qmap(input_data);
% train linear rule in the feature sapce
subplot(1,2,1);title('原始分布');
 h1=ppatterns(input_data);
 legend([h1],'Training set');

lin_model = perceptron(map_data);
% compute parameters of the quadratic classifier
quad_model = lin2quad(lin_model);
% visualize the quadratic classifier

 ppatterns(input_data);
pboundary(quad_model);