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    發(fā)布日期: 2023-10-27
  • 語(yǔ)言: Matlab
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神經(jīng)網(wǎng)絡(luò)、遺傳算法、支持向量機(jī)、退火算法等算法matlab源碼、工具包及數(shù)據(jù)集.zip

資源截圖

代碼片段和文件信息

%%?I.?清空環(huán)境變量
clear?all
clc

%%?II.?導(dǎo)入數(shù)據(jù)
load?BreastTissue_data.mat

%%
%?1.?隨機(jī)產(chǎn)生訓(xùn)練集和測(cè)試集
n?=?randperm(size(matrix1));

%%
%?2.?訓(xùn)練集——80個(gè)樣本
train_matrix?=?matrix(n(1:80):);
train_label?=?label(n(1:80):);

%%
%?3.?測(cè)試集——26個(gè)樣本
test_matrix?=?matrix(n(81:end):);
test_label?=?label(n(81:end):);

%%?III.?數(shù)據(jù)歸一化
[Train_matrixPS]?=?mapminmax(train_matrix‘);
Train_matrix?=?Train_matrix‘;
Test_matrix?=?mapminmax(‘a(chǎn)pply‘test_matrix‘PS);
Test_matrix?=?Test_matrix‘;

%%?IV.?SVM創(chuàng)建/訓(xùn)練(RBF核函數(shù))
%%
%?1.?尋找最佳c/g參數(shù)——交叉驗(yàn)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(chuàng)建/訓(xùn)練SVM模型
model?=?svmtrain(train_labelTrain_matrixcmd);

%%?V.?SVM仿真測(cè)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(shí)類別‘‘預(yù)測(cè)類別‘)
xlabel(‘測(cè)試集樣本編號(hào)‘)
ylabel(‘測(cè)試集樣本類別‘)
string?=?{‘測(cè)試集SVM預(yù)測(cè)結(jié)果對(duì)比(RBF核函數(shù))‘;
??????????[‘a(chǎn)ccuracy?=?‘?num2str(accuracy_2(1))?‘%‘]};
title(string)

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-11-04?09:47??SVM回歸與分類\
?????目錄???????????0??2017-11-04?09:47??SVM回歸與分類\Classification\
?????文件????????6802??2010-11-03?21:23??SVM回歸與分類\Classification\BreastTissue_data.mat
?????目錄???????????0??2017-11-04?09:47??SVM回歸與分類\Classification\html\
?????文件???????10246??2015-09-13?22:13??SVM回歸與分類\Classification\html\main.html
?????文件????????5730??2015-09-13?22:13??SVM回歸與分類\Classification\html\main.png
?????文件???????13144??2015-09-13?22:12??SVM回歸與分類\Classification\html\main_01.png
?????文件????????2007??2015-09-13?22:10??SVM回歸與分類\Classification\main.m
?????目錄???????????0??2017-11-04?09:47??SVM回歸與分類\Regression\
?????文件????????2286??2010-11-04?20:07??SVM回歸與分類\Regression\concrete_data.mat
?????目錄???????????0??2017-11-04?09:47??SVM回歸與分類\Regression\html\
?????文件???????15103??2015-09-13?22:19??SVM回歸與分類\Regression\html\main.html
?????文件????????4138??2015-09-13?22:19??SVM回歸與分類\Regression\html\main.png
?????文件???????17054??2015-09-13?22:19??SVM回歸與分類\Regression\html\main_01.png
?????文件???????10122??2015-09-13?22:19??SVM回歸與分類\Regression\html\main_02.png
?????文件???????10489??2015-09-13?22:19??SVM回歸與分類\Regression\html\main_03.png
?????文件????????3486??2015-09-13?22:19??SVM回歸與分類\Regression\main.m
?????目錄???????????0??2017-11-04?09:47??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\
?????文件????????1497??2009-02-17?18:07??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\COPYRIGHT
?????文件????????1462??2009-04-15?14:36??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\Makefile
?????文件????????9181??2009-04-24?22:35??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\README
?????文件???????28904??2005-03-22?20:37??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\heart_scale.mat
?????目錄???????????0??2017-11-04?09:47??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\
?????文件????????4217??2010-10-30?14:38??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\SVC.m
?????文件?????????993??2010-01-17?15:21??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\SVC_test.m
?????文件????????2751??2011-01-29?20:04??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\SVMcgForClass.m
?????文件????????2608??2010-01-17?14:53??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\SVMcgForRegress.m
?????文件????????5871??2010-09-27?20:02??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\SVR.m
?????文件????????1184??2010-01-21?21:47??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\SVR_test.m
?????文件??????222041??2010-01-17?16:23??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\TutorialForFarutoUltimate3.0.pdf
?????文件????????3598??2010-01-17?16:17??SVM回歸與分類\libsvm-mat-2[1].89-3[FarutoUltimate3.0Mcode]\implement[by?faruto]\TutorialTest.m
............此處省略317個(gè)文件信息

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