function?[?pcaAV]?=?fastPCA（?AkmA）??
%快速PCA，主成份分析??
%輸入：A-樣本矩陣，每行是一個(gè)樣本，列是樣本的維數(shù)??
%??????k-降至k維??
%輸出：pacA-降維后的k維樣本特征向量組成的矩陣，即主成分??
%?????v-主成分分量??
m=size（A1）;??
Z=（A-repmat（mAm1））;??
T=Z*Z‘;??
[VD]=eigs（Tk）;%計(jì)算T的最大的k個(gè)特征值和特征向量??
V=Z‘*V;?????????%協(xié)方差矩陣的特征向量??
for?i=1:k???????%特征向量單位化??
????l=norm（V（:i））;??
????V（:i）=V（:i）/l;??
end??
pcaA=Z*V;???????%線(xiàn)性變換，降至k維??
end??

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件????????497??2015-06-27?20:46??11912906PCA-SVM\PCA-SVM\fastPCA.m

?????文件????????264??2015-06-27?20:48??11912906PCA-SVM\PCA-SVM\kfun_rbf.m

?????文件???????1441??2018-01-06?15:03??11912906PCA-SVM\PCA-SVM\Main.m

?????文件????????390??2015-06-27?20:48??11912906PCA-SVM\PCA-SVM\multiSVM.m

?????文件????????381??2015-06-28?08:28??11912906PCA-SVM\PCA-SVM\multiSVMtrain.m

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_1.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_10.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_2.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_3.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_4.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_5.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_6.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_7.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_8.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s10_9.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_1.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_10.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_2.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_3.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_4.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_5.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_6.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_7.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_8.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s11_9.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s12_1.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s12_10.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s12_2.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s12_3.bmp

?????文件??????11382??2012-05-12?10:11??11912906PCA-SVM\PCA-SVM\ORL\s12_4.bmp

............此處省略384個(gè)文件信息