%PCA?test

%?do?PCA?on?image?patches
%?Input:
%???????X?:?matrix?with?image?patches?as?columns
%
%?Outpt:
%???????W?:?the?eigenvector?of?principal?component?transformation?
%???????D?:?the?eigenvalues?of?the?principal?components
%???????M?:?the?dimentions?of?projections

function?[WD]?=PCA_max_variance（XM）

%X_mean?is?a?row?vectormean（X1）:average?value?for?each?column
X_mean?=?mean（X1）;

%covarianceMatrix?is?a?matrix?:d*d
covarianceMatrix=zeros（size（X2））;

%Xtmp=X-X_mean
Xtmp=bsxfun（@minusXX_mean）;
covarianceMatrix=Xtmp‘*Xtmp;
%?covarianceMatrix=cov（Xtmp1）;

%%
%?D:save?all?the?eigenvalues?of?covarianceMatrix，it‘s?a?Diagonal?matrix
%?W:save?all?the?eigenvector?of?covarianceMatrix，every?column?is?characteristic?vector
%?return??M?largest?magnitude?eigenvalues.
[W?D]?=?eigs（covarianceMatrixM）;?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????976733??2016-01-12?19:00??PCA+SVM+RF\I_images.mat

?????文件??????34728??2016-01-11?16:32??PCA+SVM+RF\I_labels.mat

?????文件???????1497??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\COPYRIGHT

?????文件??????78969??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\FAQ.html

?????文件??????27670??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\heart_scale

?????文件??????28904??2015-12-07?10:28??PCA+SVM+RF\libsvm-3.20\heart_scale.mat

?????文件??????63803??2014-11-15?06:52??PCA+SVM+RF\libsvm-3.20\java\libsvm\svm.java

?????文件??????63095??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\libsvm\svm.m4

?????文件????????868??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\libsvm\svm_model.java

?????文件????????115??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\libsvm\svm_node.java

?????文件???????1288??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\libsvm\svm_parameter.java

?????文件?????????87??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\libsvm\svm_print_interface.java

?????文件????????136??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\libsvm\svm_problem.java

?????文件??????51917??2014-11-15?06:52??PCA+SVM+RF\libsvm-3.20\java\libsvm.jar

?????文件????????624??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\Makefile

?????文件???????4950??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\svm_predict.java

?????文件???????8944??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\svm_scale.java

?????文件??????12269??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\svm_toy.java

?????文件???????8355??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\svm_train.java

?????文件?????????81??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\java\test_applet.html

?????文件????????732??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\Makefile

?????文件???????1084??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\Makefile.win

?????文件???????4063??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\matlab\libsvmread.c

?????文件??????10752??2015-12-25?21:17??PCA+SVM+RF\libsvm-3.20\matlab\libsvmread.mexw64

?????文件???????2341??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\matlab\libsvmwrite.c

?????文件???????9728??2015-12-25?21:17??PCA+SVM+RF\libsvm-3.20\matlab\libsvmwrite.mexw64

?????文件????????777??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\matlab\make.m

?????文件???????1240??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\matlab\Makefile

?????文件???????9826??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\matlab\README

?????文件???????9823??2014-11-15?06:51??PCA+SVM+RF\libsvm-3.20\matlab\svmpredict.c

............此處省略61個文件信息