BP神经网络实现数字识别\char3.m ......................\charGUI.fig ......................\charGUI.m ......................\data.mat ......................\edu_createnn.m ......................\edu_imgcrop.m ......................\edu_imgpreprocess.m ......................\edu_imgresize.m ......................\hi2.m ......................\my_imgpreprocess.m ......................\U2.bmp BP神经网络实现数字识别