A?=?load（‘A（1）.txt‘）;
x?=?A（:1:3）;?%前三個值為坐標
y?=?A（:4）;?%類別信息
n?=?100;
n1?=?50;
n2?=?50;
for?var?=?1:n1
????y（var）?=?-1;
end
k?=?zeros（nn）;?%用于存放核函數的值
ksum1?=?zeros（n1）;?%ksum1（i）為k（xix）加和x屬于第一類
ksum2?=?zeros（n1）;?%ksum2（i）為k（xix）加和x屬于第二類
for?var?=?1:n
????for?var2?=?1:n
????????k（varvar2）?=?RBFKernel（x（var:）x（var2:））;
????end
end
for?var?=?1:n
????for?var2?=?1:n1
????????ksum1（var）?=?ksum1（var）?+?k（varvar2）;
????end
end
for?var?=?1:n
????for?var2?=?（n1+1）:n;
????????ksum2（var）?=?ksum2（var）?+?k（varvar2）;
????end
end
N1?=?zeros（nn）;?%計算N1
for?var?=?1:n
????for?var2?=?1:n
????????for?var3?=?1:n1
????????????tmp1?=?k（varvar3）-ksum1（var）/n1;
????????????tmp2?=?k（var2var3）-ksum1（var2）/n1;
????????????N1（varvar2）?=?N1（varvar2）?+?tmp1*tmp2;
????????end
????end
end
N2?=?zeros（nn）;?%計算N2
for?var?=?1:n
????for?var2?=?1:n
????????for?var3?=?（n1+1）:n
????????????tmp1?=?k（varvar3）-ksum2（var）/n2;
????????????tmp2?=?k（var2var3）-ksum2（var2）/n2;
????????????N2（varvar2）?=?N2（varvar2）?+?tmp1*tmp2;
????????end
????end
end
N?=?N1?+?N2;
sqrt_Sb?=?zeros（n1）;?%計算Г，名字來源Г‘Г=Sb
for?var?=?1:n
????sqrt_Sb（var）?=?ksum1（var）/n1-ksum2（var）/n2;
end
tmp?=?N;
while?1?%迭代使得N+tk為滿秩能夠取逆
????if?rank（tmp）==n
????????break;
????end
????tmp?=?tmp?+?k;
end
alpha?=?tmp?\?sqrt_Sb;?%n*1
u1?=?（ksum1‘*alpha）/n1;
u2?=?（ksum2‘*alpha）/n2;
b1?=?-（u1+u2）/2;?%用方法1計算b
b2?=?0;
for?var?=?1:n
????b2?=?b2?+?k（var:）*alpha;
end
b2?=?-b2/n;?%用方法2計算b
disp（（b1-b2））;?%比較二者的絕對大小
disp（（b1-b2）/b2）;?%比較二者的相對大小
yy?=?zeros（n1）;
for?var?=?1:n
????yy（var）?=?k（var:）*alpha?+?b1;
????%?yy（var）?=?k（var:）*alpha?+?b2;?
????%實驗證明用b1和b2的分類效果相同皆為100%
end
plot3（x（1:501）x（1:502）x（1:503）‘r.?‘）;
hold?on;
plot3（x（51:1001）x（51:1002）x（51:1003）‘b.?‘）;
hold?on;
for?var?=?1:n
????if?yy（var）?????????plot3（x（var1）x（var2）x（var3）‘g>?‘）;
????????hold?on;
????end
????if?yy（var）?>?0
????????plot3（x（var1）x（var2）x（var3）‘k????????hold?on;
????end
end
grid?on;
xlabel（‘x‘）;
ylabel（‘y‘）;
zlabel（‘z‘）;

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

?????文件????2430256??2016-11-18?20:56??2015作業&答案\10有上機題\1.jpg

?????文件????2247636??2016-11-18?20:56??2015作業&答案\10有上機題\2.jpg

?????文件????2340984??2016-11-18?20:56??2015作業&答案\10有上機題\3.jpg

?????文件???????4198??2016-09-13?08:08??2015作業&答案\10有上機題\A（1）.txt

?????文件???????2190??2016-11-19?02:18??2015作業&答案\10有上機題\KernelMethod.m

?????文件???????3395??2016-11-19?03:35??2015作業&答案\10有上機題\KernelMethod_LeaveOneOut.m

?????文件???????4079??2016-11-19?02:49??2015作業&答案\10有上機題\KernelMethod_LeaveOneOut_fail.m

?????文件?????????71??2016-11-19?02:13??2015作業&答案\10有上機題\RBFKernel.m

?????文件??????26624??2016-09-13?08:08??2015作業&答案\10有上機題\十、核方法上機題.doc

?????文件??????25600??2016-09-13?08:08??2015作業&答案\10有上機題\十、核方法習題.doc

?????文件????1306786??2017-02-23?13:33??2015作業&答案\10有上機題\核方法實驗報告.docx

?????文件??????22016??2016-09-13?08:08??2015作業&答案\11無上機題\十一、基于樹的識別方法習題.doc

?????文件???????4198??2016-09-13?08:09??2015作業&答案\12有上機題\A.txt

?????文件???????1335??2016-12-27?13:50??2015作業&答案\12有上機題\AdaBoost.m

?????文件?????205935??2016-12-02?09:04??2015作業&答案\12有上機題\adaboost4.pdf

?????文件???????1559??2016-12-04?02:10??2015作業&答案\12有上機題\AdaBoost_cycle.m

?????文件???????1442??2016-12-27?14:26??2015作業&答案\12有上機題\AdaBoost_dt.m

?????文件???????1111??2016-12-27?13:53??2015作業&答案\12有上機題\AdaBoost_dt_newdata.m

?????文件????????954??2016-12-04?01:49??2015作業&答案\12有上機題\AdaBoost_formula.m

?????文件????????950??2016-12-05?10:14??2015作業&答案\12有上機題\AdaBoost_formula_newdata.m

?????文件???????1382??2016-12-27?15:03??2015作業&答案\12有上機題\decisiontree.m

?????文件????????672??2016-12-27?13:53??2015作業&答案\12有上機題\decisiontree_data.m

?????文件????????512??2016-12-05?10:12??2015作業&答案\12有上機題\fitctree_formula.m

?????文件????????525??2016-12-05?10:32??2015作業&答案\12有上機題\fitctree_formula_newdata.m

?????文件????1297920??2016-12-03?23:38??2015作業&答案\12有上機題\Hongbo.ppt

?????文件????4187819??2016-12-05?08:22??2015作業&答案\12有上機題\newdata.mat

?????文件????????881??2016-11-07?18:42??2015作業&答案\12有上機題\tool\AdaBoost.m

?????文件???????2617??2016-11-07?18:44??2015作業&答案\12有上機題\tool\AdaBoost.md

?????文件????????841??2016-12-04?00:52??2015作業&答案\12有上機題\weakclassifier.m

?????文件????????792??2016-12-05?08:45??2015作業&答案\12有上機題\weakclassifier_newdata.m

............此處省略117個文件信息