function?K?=?kernel（XYtype）
%X?維數(shù)*個(gè)數(shù)
switch?type
case?‘linear‘
????K?=?X‘*Y;
case?‘rbf‘
????delta?=?5;
????delta?=?delta*delta;
????XX?=?sum（X‘.*X‘2）;%sum（a2）代碼中參數(shù)2的意思是將a矩陣a中的按“行”為單位進(jìn)行求和
????YY?=?sum（Y‘.*Y‘2）;
????XY?=?X‘*Y;
????K?=?abs（repmat（XX[1?size（YY1）]）?+?repmat（YY‘[size（XX1）?1]）?-?2*XY）;
????K?=?exp（-K./delta）;
end

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件?????????375??2018-05-25?11:26??SVM\kernel.m
?????文件?????????940??2018-05-25?11:24??SVM\main.m
?????文件?????????303??2018-05-25?11:28??SVM\svmTest.m
?????文件?????????857??2018-05-25?11:26??SVM\svmTrain.m
?????目錄???????????0??2018-07-03?08:52??SVM\