e_lda.m

支持向量机工具箱

figure('name','特征提取_ida方法');

%addpath G:\Matlab_EXP\stprtool
%addpath G:\Matlab_EXP\stprtool\data\riply_data
orig_data = load('iris'); % load input data
subplot(1,2,1);title('原始分布');
 h1=ppatterns(orig_data);
 legend([h1],'Training set');

model = lda(orig_data,2); % train LDA
ext_data = linproj(orig_data,model); % feature extraction

subplot(1,2,2);title('重构数据分布');
h2=ppatterns(ext_data); 
legend([h1],'restructing set'); % plot ext. da
pboundary(model);

clear;clc;