File list (Check if you may need any files):
BP\神经网络字母识别1\英文字母识别\0.bmp
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..\.................\............\Example1.asv
..\.................\............\Example1.m
..\.................\............\Example1Tr.asv
..\.................\............\Example1Tr.m
..\.................\............\op.m
..\.................\............\preprocess.m
..\.................\............\recognize.asv
..\.................\............\recognize.m
..\.................\............\Thumbs.db
..\.................\英文字母识别
..\神经网络字母识别1
BP