function?net?=?cnnapplygrads（net?opts）
????for?l?=?2?:?numel（net.layers）
????????if?strcmp（net.layers{l}.type?‘c‘）
????????????for?j?=?1?:?numel（net.layers{l}.a）
????????????????for?ii?=?1?:?numel（net.layers{l?-?1}.a）
????????????????????%?這里沒什么好說的，就是普通的權值更新的公式：W_new?=?W_old?-?alpha?*?de/dW（誤差對權值導數）?
????????????????????net.layers{l}.k{ii}{j}?=?net.layers{l}.k{ii}{j}?-?opts.alpha?*?net.layers{l}.dk{ii}{j};
????????????????end
????????????????net.layers{l}.b{j}?=?net.layers{l}.b{j}?-?opts.alpha?*?net.layers{l}.db{j};
????????????end
????????end
????end

????net.ffW?=?net.ffW?-?opts.alpha?*?net.dffW;
????net.ffb?=?net.ffb?-?opts.alpha?*?net.dffb;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-10?10:41??CNN—MATLAB\
?????文件??????????74??2018-12-10?10:37??CNN—MATLAB\CNN_test.m
?????文件????????1221??2018-11-27?21:20??CNN—MATLAB\CNN_train.m
?????文件?????????690??2015-01-12?10:20??CNN—MATLAB\cnnapplygrads.m
?????文件????????3643??2015-01-12?10:20??CNN—MATLAB\cnnbp.m
?????文件????????3448??2015-09-17?19:28??CNN—MATLAB\cnnff.m
?????文件????????3430??2014-05-11?20:46??CNN—MATLAB\cnnnumgradcheck.m
?????文件????????5998??2015-09-14?21:13??CNN—MATLAB\cnnsetup.m
?????文件?????????397??2015-09-27?19:28??CNN—MATLAB\cnntest.m
?????文件????????1728??2015-09-16?22:45??CNN—MATLAB\cnntrain.m
?????文件????????1958??2014-05-11?20:46??CNN—MATLAB\expand.m
?????文件??????????80??2014-05-11?20:46??CNN—MATLAB\flipall.m
?????文件??????????48??2014-05-11?20:46??CNN—MATLAB\sigm.m