clc
clear?all?
close?all
load?（‘D:\Xin-E\database\SSLset=1data.mat‘）;
load?（‘D:\Xin-E\database\SSLset=1splitslabeled=10.mat‘）;
train_num?=?750;
X?=?X.‘;
P?=?size（X2）;
m_database?=?mean（X2）;?
A?=?X?-?repmat（m_database1P）;?
L?=?A‘*A;
[VD]?=?eig（L）;
[VD]?=?sortem（VD）;
Y?=?X*V;

k?=?20;
delta_0?=?0.5;