kpca
....\pca
....\...\Contents.m
....\...\ecov.m
....\...\kernelpca.m
....\...\kernelpca.m~
....\...\kpcademo1.m
....\...\kpcademo1.m~
....\...\pcademo1.m
....\...\pcaexam1.mat
....\...\pcaexam2.mat
....\...\pkernelpca.m
....\...\spca.asv
....\...\spca.m
....\...\T.mat