%%?I.?清空環境變量

%%?II.?導入數據


%%
%?1.?隨機產生訓練集和測試集
n?=?randperm（size（matrix1））;

%%
%?2.?訓練集——80個樣本
train_matrix?=?matrix（n（1:80）:）;
train_label?=?label（n（1:80）:）;

%%
%?3.?測試集——26個樣本
test_matrix?=?matrix（n（81:end）:）;
test_label?=?label（n（81:end）:）;

%%?III.?數據歸一化
[Train_matrixPS]?=?mapminmax（train_matrix‘）;
Train_matrix?=?Train_matrix‘;
Test_matrix?=?mapminmax（‘apply‘test_matrix‘PS）;
Test_matrix?=?Test_matrix‘;

%%?IV.?SVM創建/訓練（RBF核函數）
%%
%?1.?尋找最佳c/g參數——交叉驗證方法
[cg]?=?meshgrid（-10:0.2:10-10:0.2:10）;
[mn]?=?size（c）;
cg?=?zeros（mn）;
eps?=?10^（-4）;
v?=?5;
bestc?=?1;
bestg?=?0.1;
bestacc?=?0;
for?i?=?1:m
????for?j?=?1:n
????????cmd?=?[‘-v?‘num2str（v）‘?-t?2‘‘?-c?‘num2str（2^c（ij））‘?-g?‘num2str（2^g（ij））];
????????cg（ij）?=?svmtrain（train_labelTrain_matrixcmd）;?????
????????if?cg（ij）?>?bestacc
????????????bestacc?=?cg（ij）;
????????????bestc?=?2^c（ij）;
????????????bestg?=?2^g（ij）;
????????end????????
????????if?abs（?cg（ij）-bestacc?）<=eps?&&?bestc?>?2^c（ij）?
????????????bestacc?=?cg（ij）;
????????????bestc?=?2^c（ij）;
????????????bestg?=?2^g（ij）;
????????end???????????????
????end
end
cmd?=?[‘?-t?2‘‘?-c?‘num2str（bestc）‘?-g?‘num2str（bestg）];

%%
%?2.?創建/訓練SVM模型
model?=?svmtrain（train_labelTrain_matrixcmd）;

%%?V.?SVM仿真測試
[predict_label_1accuracy_1]?=?svmpredict（train_labelTrain_matrixmodel）;
[predict_label_2accuracy_2]?=?svmpredict（test_labelTest_matrixmodel）;
result_1?=?[train_label?predict_label_1];
result_2?=?[test_label?predict_label_2];

%%?VI.?繪圖
figure
plot（1:length（test_label）test_label‘r-*‘）
hold?on
plot（1:length（test_label）predict_label_2‘b:o‘）
grid?on
legend（‘真實類別‘‘預測類別‘）
xlabel（‘測試集樣本編號‘）
ylabel（‘測試集樣本類別‘）
string?=?{‘測試集SVM預測結果對比（RBF核函數）‘;
??????????[‘accuracy?=?‘?num2str（accuracy_2（1））?‘%‘]};
title（string）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-08-30?12:47??06?支持向量機（Support?Vector?Machine?SVM）\
?????文件??????553665??2016-10-08?01:17??06?支持向量機（Support?Vector?Machine?SVM）\Class_6.pdf
?????目錄???????????0??2018-07-04?00:20??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\
?????目錄???????????0??2018-08-30?12:42??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\Classification\
?????文件????????6802??2010-11-03?21:23??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\Classification\BreastTissue_data.mat
?????目錄???????????0??2018-08-30?12:41??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\Classification\html\
?????文件???????10246??2015-09-13?22:13??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\Classification\html\main.html
?????文件????????5730??2015-09-13?22:13??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\Classification\html\main.png
?????文件???????13144??2015-09-13?22:12??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\Classification\html\main_01.png
?????文件????????2010??2016-12-24?09:44??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\Classification\main.asv
?????文件????????1965??2016-12-24?09:47??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\Classification\main.m
?????目錄???????????0??2018-08-30?12:47??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\
?????文件????????3437??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\AFEm.m
?????文件?????????603??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\MLP_kernel.m
?????文件????????1105??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\RBF_kernel.m
?????文件????????5785??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\bay_errorbar.m
?????文件????????1998??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\bay_initlssvm.m
?????文件???????10339??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\bay_lssvm.m
?????文件????????8187??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\bay_lssvmARD.m
?????文件????????9358??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\bay_modoutClass.m
?????文件????????5843??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\bay_optimize.m
?????文件????????4312??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\bay_rr.m
?????文件????????1479??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\bitreverse32.m
?????文件????????5576??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\changelssvm.m
?????文件????????4744??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\cilssvm.m
?????文件????????4245??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\code.m
?????文件????????5194??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\code_ECOC.m
?????文件?????????548??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\code_MOC.m
?????文件?????????361??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\code_OneVsAll.m
?????文件?????????576??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\code_OneVsOne.m
?????文件????????2107??2014-07-09?13:36??06?支持向量機（Support?Vector?Machine?SVM）\Class_6_Code\LSSVM-1.6\codedist_bay.m
............此處省略338個文件信息