clear;
clc;

data=load（‘iris1.txt‘）;?
A1=data（:2）;?%Take?the?2nd?and?3rd?attribute?values?to?draw?the?picture
A2=data（:3）;?

%Read?previous?calculation?results
allattr=data（:1:4）;?
beitadata=load（‘iris_baita.txt‘）;?
baita=beitadata（:）;?

m=1;
n=1;

for?b=1:1:100?%Calculate?the?test?results?of?the?entire?data?set
????result（b）=baita（1）*allattr（b1）+baita（2）*allattr（b2）+baita（3）*allattr（b3）+baita（4）*allattr（b4）+baita（5）;
????if?result（b）<0??%The?test?result?is?negative?and?it?means?the?first?flower
????????A1_shi（m）=A1（b1）;
????????A2_shi（m）=A2（b1）;
????????m=m+1;
????elseif?result（b）>=0?%The?test?result?is?positive?and?it?means?the?second?flower
????????A1_yuan（n）=A1（b1）;
????????A2_yuan（n）=A2（b1）;
????????n=n+1;
????end
end

%Draw?various?points
plo

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

?????文件??????21641??2019-10-06?16:34??1932938_JiahaoLu_assignment1\iris_dataset\image.jpg

?????文件?????????55??2019-10-06?16:36??1932938_JiahaoLu_assignment1\iris_dataset\image_baita.txt

?????文件???????4551??2019-10-02?15:34??1932938_JiahaoLu_assignment1\iris_dataset\iris.data

?????文件????????784??2019-10-06?08:59??1932938_JiahaoLu_assignment1\iris_dataset\Iris.mat

?????文件???????1808??2019-10-06?08:59??1932938_JiahaoLu_assignment1\iris_dataset\iris1.txt

?????文件?????????50??2019-10-06?10:13??1932938_JiahaoLu_assignment1\iris_dataset\iris_baita.txt

?????文件????????191??2019-10-06?10:32??1932938_JiahaoLu_assignment1\iris_dataset\iris_result.txt

?????文件????????368??2019-10-06?08:59??1932938_JiahaoLu_assignment1\iris_dataset\iris_test.txt

?????文件???????1440??2019-10-06?08:59??1932938_JiahaoLu_assignment1\iris_dataset\iris_train.txt

?????文件???????1765??2019-10-06?19:44??1932938_JiahaoLu_assignment1\iris_dataset\plotimage.m

?????文件???????4126??2019-10-06?19:33??1932938_JiahaoLu_assignment1\iris_dataset\regression.m

?????文件????????573??2019-10-06?20:19??1932938_JiahaoLu_assignment1\README.txt

?????文件?????196342??2019-10-06?23:35??1932938_JiahaoLu_assignment1\Report.docx

?????文件???????3249??2019-10-06?19:56??1932938_JiahaoLu_assignment1\seeds_dataset\regression.m

?????文件????????106??2019-10-06?19:57??1932938_JiahaoLu_assignment1\seeds_dataset\seeds_baita.txt

?????文件???????9300??2019-10-06?16:47??1932938_JiahaoLu_assignment1\seeds_dataset\seeds_dataset.txt

?????文件???????6345??2019-10-06?19:56??1932938_JiahaoLu_assignment1\seeds_dataset\seeds_dataset1.txt

?????文件????????275??2019-10-06?19:57??1932938_JiahaoLu_assignment1\seeds_dataset\seeds_result.txt

?????文件????????913??2019-10-06?19:56??1932938_JiahaoLu_assignment1\seeds_dataset\seeds_test.txt

?????文件???????5432??2019-10-06?19:56??1932938_JiahaoLu_assignment1\seeds_dataset\seeds_train.txt

?????目錄??????????0??2019-10-06?19:44??1932938_JiahaoLu_assignment1\iris_dataset

?????目錄??????????0??2019-10-06?23:36??1932938_JiahaoLu_assignment1\seeds_dataset

?????目錄??????????0??2019-10-06?23:35??1932938_JiahaoLu_assignment1

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

???????????????259314????????????????????23