%%original?data
clc
clear?all
close?all
data?=?load?（‘data_PCA.txt‘）;%讀入數據
figure;hold?on;
stem（data（1:1:1281）data（1:1:1282）‘ro‘）;
stem（data（129:1:2561）data（129:1:2562）‘b*‘）;
legend（‘class1‘‘class2‘）;
xlabel（‘Gray?lever‘）;
ylabel（‘Histogram‘）;
axis（[0?300?0?4000]）;
title（‘original?data‘）;
drawnow;

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

?????文件???????1608??2018-05-25?20:25??PCA\data_PCA.txt

?????文件??????23501??2018-10-24?14:36??PCA\original?data.jpg

?????文件????????324??2018-10-24?14:35??PCA\original_data.m

?????文件????????486??2018-10-25?22:21??PCA\PCA.m

?????文件??????20448??2018-11-01?19:48??PCA\standard_PCA.jpg

?????文件????????381??2018-11-01?19:48??PCA\standard_PCA.m

?????目錄??????????0??2018-11-05?19:16??PCA

-----------?---------??----------?-----??----

????????????????46748????????????????????7