function?[m_vectorcov_matrix?]?=?bayes_train（sample）
%FISHER:?A?program?to?compute?Bayes?classification;
%?
%??IN???sample:??????training?sample
%
%??OUT??m_vector:??????sample?mean?vector
%???????cov_matrix:????sample?covariance?matrix
%
%??Reference:?Principle?and?application?of?pattern?recognition，Li?Bicheng，2012
%
%??Copyright?（C）?2017?ISPT%??Author:?Nie?Pengfei

[NsampNfeature]?=?size（sample）;
%%?mean?vector?and?covariance?matrix
for?k?=?1?:?Nfeature
????m_vector（k）?=?sum（sample（:k））./Nsamp;
????for?j?=?1?:?Nfeature
????????m_j?=?sum（sample（:k））./Nsamp;
????????cov_matrix（kj）?=?（（sample（:k）-m_vector（k））‘?*?（sample（:j）-m_j））./（Nsamp-1）;
????end
end?????
end

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

?????文件????3769022??2017-12-05?16:15??ORL人臉圖像.zip

?????文件????????486??2017-12-11?18:11??setosa.mat

?????文件????????538??2017-12-11?18:11??versicolor.mat

?????文件?????951008??2017-12-11?18:06??模式識別實驗指導書.pdf

?????文件????????212??2017-12-12?11:19??數(shù)據(jù)說明.txt

?????文件???????4551??2017-08-21?09:40??iris.data

?????文件???????1509??2018-09-29?17:33??fisher.m

?????文件???????3287??2018-09-29?19:44??fisher_test.m

?????文件???????1275??2018-10-16?19:15??pca_main.m

?????文件????????870??2017-12-01?17:06??post_prob.m

?????文件????????757??2018-09-11?20:58??post_prob_main.m

?????文件???????1579??1995-02-23?18:13??att_faces\README

?????文件??????10318??1994-04-18?14:17??att_faces\s1\1.pgm

?????文件??????10318??1994-04-18?14:07??att_faces\s1\10.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s1\2.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s1\3.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s1\4.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s1\5.pgm

?????文件??????10318??1994-04-18?14:07??att_faces\s1\6.pgm

?????文件??????10318??1994-04-18?14:07??att_faces\s1\7.pgm

?????文件??????10318??1994-04-18?14:07??att_faces\s1\8.pgm

?????文件??????10318??1994-04-18?14:07??att_faces\s1\9.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s10\1.pgm

?????文件??????10318??1994-04-18?14:07??att_faces\s10\10.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s10\2.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s10\3.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s10\4.pgm

?????文件??????10318??1994-04-18?14:17??att_faces\s10\5.pgm

?????文件??????10318??1994-04-18?14:07??att_faces\s10\6.pgm

?????文件??????10318??1994-04-18?14:07??att_faces\s10\7.pgm

............此處省略434個文件信息