%?load?training?set?and?testing?set
clear?all;
train_set?=?loadMNISTImages（‘train-images.idx3-ubyte‘）‘;
train_label?=?loadMNISTLabels（‘train-labels.idx1-ubyte‘）;
test_set?=?loadMNISTImages（‘t10k-images.idx3-ubyte‘）‘;
test_label?=?loadMNISTLabels（‘t10k-labels.idx1-ubyte‘）;

%?cliassify?the?testing?set?
train_scale?=?size（train_set）;
test_scale?=?size（test_set）;
test_classify_label?=?zeros（test_scale（1）1）;
tic;
for?i=1:test_scale（1）
????test_point?=?test_set（i:）;
????dist?=?zeros（train_scale（1）1）;
????for?j=1:train_scale（1）
????????%?calculate?the?distance?between?test?point?i?and?train?point?j
????????train_point?=?train_set（j?:）;
????????tmp?=?abs（test_point?-?train_point）;
	dist（j）?=?sum（tmp）;
????end
????%?find?the?9-nearest?neighbor?
????dist_tmp?=?sort（dist）;
????num?=?zeros（10?1）;
????for?k=1:9
???????idx?=?find（dist==dist_tmp（k））;
???????num（train_label（idx）+1）?=?num（train_label（idx）+1）+1;
????end
????%?classification
????maxIdx?=?0;
????maxNum?=?-1;
????for?k=1:10
??????if（num（k）>maxNum）
?????????maxIdx?=?k;
?????????maxNum?=?num（k）;
??????end
????end?
????test_classify_label（i）?=?maxIdx-1;
????disp（test_classify_label（i））;??
????disp（test_label（i））;??
end
toc;
%?calculate?accuracy
num_correct?=?sum（test_label==test_classify_label）;
accuracy?=?num_correct?/?test_scale（1）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-11-29?21:16??knn-naivebayes-svm\
?????目錄???????????0??2017-11-29?21:16??knn-naivebayes-svm\knn\
?????文件????????1349??2017-11-15?08:15??knn-naivebayes-svm\knn\knn.m
?????文件?????????994??2017-11-14?20:53??knn-naivebayes-svm\knn\loadMNISTImages.m
?????文件?????????571??2017-11-02?15:58??knn-naivebayes-svm\knn\loadMNISTLabels.m
?????文件?????7840016??1998-01-26?23:07??knn-naivebayes-svm\knn\t10k-images.idx3-ubyte
?????文件???????10008??1998-01-26?23:07??knn-naivebayes-svm\knn\t10k-labels.idx1-ubyte
?????文件????47040016??1996-11-18?23:36??knn-naivebayes-svm\knn\train-images.idx3-ubyte
?????文件???????60008??1996-11-18?23:36??knn-naivebayes-svm\knn\train-labels.idx1-ubyte
?????目錄???????????0??2017-11-29?21:15??knn-naivebayes-svm\naive?bayes\
?????文件?????????980??2017-11-09?18:23??knn-naivebayes-svm\naive?bayes\loadMNISTImages.m
?????文件?????????571??2017-11-02?15:58??knn-naivebayes-svm\naive?bayes\loadMNISTLabels.m
?????文件????????1579??2017-11-15?08:19??knn-naivebayes-svm\naive?bayes\naive.m
?????目錄???????????0??2017-11-29?21:16??knn-naivebayes-svm\svm\
?????文件??????????97??2017-11-15?00:26??knn-naivebayes-svm\svm\kernel.m
?????文件????????1015??2017-11-11?10:28??knn-naivebayes-svm\svm\loadMNISTImages.m
?????文件?????????571??2017-11-02?15:58??knn-naivebayes-svm\svm\loadMNISTLabels.m
?????文件?????????176??2017-11-11?16:26??knn-naivebayes-svm\svm\select.m
?????文件????????2552??2017-11-15?08:03??knn-naivebayes-svm\svm\smo.m
?????文件????????1544??2017-11-15?08:24??knn-naivebayes-svm\svm\svm.m