浠g爜3 .......\featureNormalize.m .......\findZiRi.m .......\gradient.m .......\Loss.m .......\pca.m .......\project1.m .......\project1_libsvm.m .......\projectData.m .......\setData.m .......\sgd.m .......\testData.m .......\Yale_64x64.mat