function?checkgrads（netxy）
epsilon?=?1e-4;
er??????=?1e-8;
n?=?numel（net.layers）;
for?l?=?n?:?-1?:?2
????if?strcmp（net.layers{l}.type‘Soft‘）
????????for?j?=?1?:?numel（net.layers{l}.b）
????????????net_m?=?net;?net_p?=?net;
????????????net_p.layers{l}.b（j）?=?net_m.layers{l}.b（j）?+?epsilon;
????????????net_m.layers{l}.b（j）?=?net_m.layers{l}.b（j）?-?epsilon;
????????????net_m?=?cnnff（net_mx）;net_m?=?cnnbp（net_my）;
????????????net_p?=?cnnff（net_px）;net_p?=?cnnbp（net_py）;
????????????d?=?（net_p.L?-?net_m.L）?/?（2?*?epsilon）;
????????????e?=?abs（d?-?net.layers{l}.db（j））;
????????????if?e?>?er
????????????????error（‘numrical?graddient?checking?failed?at?softb‘）;
????????????end
????????end
????????
????????for?i?=?1?:?size（net.layers{l}.w1）
????????????for?j?=?1?:?size（net.layers{l}.w2）
????????????????net_m?=?net;?net_p?=?net;
????????????????net_p.layers{l}.w（ij）?=?net_p.layers{l}.w（ij）?+?epsilon;
????????????????net_m.layers{l}.w（ij）?=?net_m.layers{l}.w（ij）?-?epsilon;
????????????????net_m?=?cnnff（net_mx）;?net_m?=?cnnbp（net_my）;
????????????????net_p?=?cnnff（net_px）;?net_p?=?cnnbp（net_py）;
????????????????d?=?（net_p.L?-?net_m.L）/（2*epsilon）;
????????????????e?=?abs（d?-?net.layers{l}.dw（ij））;
????????????????if?e?>?er
????????????????????error（‘numrical?graddient?checking?faild?at?softw‘）;
????????????????end
????????????end
????????end
????end
????
????if?strcmp（net.layers{l}.type‘F6‘）
????????for?j?=?1?:?size（net.layers{l}.b1）
????????????net_m?=?net;net_p?=?net;
????????????net_p.layers{l}.b（j）?=?net_p.layers{l}.b（j）?+?epsilon;
????????????net_m.layers{l}.b（j）?=?net_m.layers{l}.b（j）?-?epsilon;
????????????net_p?=?cnnff（net_px）;?net_p?=?cnnbp（net_py）;
????????????net_m?=?cnnff（net_mx）;?net_m?=?cnnbp（net_my）;
????????????%db?=?net.layers{l}.db（j）;
????????????d?=?（net_p.L?-?net_m.L）?/?（2?*?epsilon）;
????????????e?=?abs（d?-?net.layers{l}.db（j））;
????????????if?e?>?er
????????????????error（‘numrical?graddient?checking?failed?at?F6b‘）;
????????????end
????????end
????????for?i?=?1?:?size（net.layers{l}.w1）
????????????for?j?=?1?:?size（net.layers{l}.w2）
????????????????net_m?=?net;net_p?=?net;
????????????????net_p.layers{l}.w（ij）?=?net_p.layers{l}.w（ij）?+?epsilon;
????????????????net_m.layers{l}.w（ij）?=?net_m.layers{l}.w（ij）?-?epsilon;
????????????????net_p?=?cnnff（net_px）;net_p?=cnnbp（net_py）;
????????????????net_m?=?cnnff（net_mx）;net_m?=?cnnbp（net_my）;
????????????????d?=?（net_p.L?-?net_m.L）?/?（2?*?epsilon）;
????????????????e?=?abs（d?-?net.layers{l}.dw（ij））;
????????????????if?e?>?er
????????????????????error（‘numrical?gradient?checking?failed?at?F6w‘）;
????????????????end
????????????end
????????end
????end
????
????if?strcmp（net.layers{l}.type‘C5‘）
????????for?i?=?1?:?size（net.layers{l}.w1）
????????????for?j?=?1?:?size（net.layers{l}.w2）
????????????????net_m?=?net;net_p?=?net;
????????????????net_p.layers{l}.w（ij）?=?net_p.layers{l}.w（ij）?+?epsilo

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????7089??2015-01-15?09:38??Lenet5_EasyPR_D\checkgrads.m

?????文件????????858??2015-01-13?16:08??Lenet5_EasyPR_D\cnnapplyGrads.m

?????文件???????3268??2016-04-06?09:23??Lenet5_EasyPR_D\cnnbp.m

?????文件???????2475??2015-01-15?11:03??Lenet5_EasyPR_D\cnnff.m

?????文件????????823??2015-01-15?09:37??Lenet5_EasyPR_D\cnnTrain.m

?????文件???????1369??2016-04-06?09:16??Lenet5_EasyPR_D\collectImgToMat.m

?????文件????3137044??2016-04-06?09:27??Lenet5_EasyPR_D\easyPR_chinaData.mat

?????文件???????1958??2015-01-13?09:37??Lenet5_EasyPR_D\expand.m

?????文件?????????80??2015-01-13?15:01??Lenet5_EasyPR_D\flipall.m

?????文件????????212??2016-04-06?09:19??Lenet5_EasyPR_D\iLbPrintData.mat

?????文件????????308??2016-04-06?09:19??Lenet5_EasyPR_D\iLbsData.mat

?????文件???????2595??2015-01-13?14:46??Lenet5_EasyPR_D\initialParameters.m

?????文件????????360??2016-04-05?19:01??Lenet5_EasyPR_D\loadEasyPRImages.m

?????文件????????218??2016-04-04?19:27??Lenet5_EasyPR_D\loadEasyPrLabels.m

?????文件????????957??2016-04-06?09:08??Lenet5_EasyPR_D\LoadFileImg.asv

?????文件????????959??2016-04-06?09:15??Lenet5_EasyPR_D\LoadFileImg.m

?????文件????????811??2013-09-25?15:14??Lenet5_EasyPR_D\loadMNISTImages.m

?????文件????????516??2013-09-25?15:14??Lenet5_EasyPR_D\loadMNISTLabels.m

?????文件?????????60??2015-01-13?14:25??Lenet5_EasyPR_D\sigm.m

?????文件????????300??2016-04-06?09:19??Lenet5_EasyPR_D\strLbPrintData.mat

?????文件????????834??2016-04-05?18:38??Lenet5_EasyPR_D\testLenet.m

?????文件????????566??2016-04-06?09:28??Lenet5_EasyPR_D\testLenetEasyPR.m

?????文件????????886??2016-04-05?11:36??Lenet5_EasyPR_D\trainLenet.m

?????文件???????1082??2016-04-06?09:20??Lenet5_EasyPR_D\trainLenet_EasyPRWord.m

?????文件????????588??2016-06-02?09:36??Lenet5_EasyPR_D\使用說明.txt

?????文件????????868??2014-08-23?14:44??Lenet5_EasyPR_D\測試文字\300-1.jpg

?????文件????????709??2014-08-23?14:44??Lenet5_EasyPR_D\測試文字\304-5.jpg

?????文件????????721??2014-08-23?14:44??Lenet5_EasyPR_D\測試文字\311-7.jpg

?????文件????????648??2014-08-23?14:44??Lenet5_EasyPR_D\測試文字\312-8.jpg

?????文件????????805??2015-03-19?11:58??Lenet5_EasyPR_D\測試文字\319_sun_b_4.jpg

............此處省略139個文件信息