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
-----------?---------??----------?-----??----

?????文件????????690??2015-01-12?10:20??cnnapplygrads.m

?????文件???????3643??2015-01-12?10:20??cnnbp.m

?????文件???????3448??2015-09-17?19:28??cnnff.m

?????文件???????3430??2014-05-11?20:46??cnnnumgradcheck.m

?????文件???????5998??2015-09-14?21:13??cnnsetup.m

?????文件????????397??2015-09-27?19:28??cnntest.m

?????文件???????1728??2015-09-16?22:45??cnntrain.m

?????文件???????1958??2014-05-11?20:46??expand.m

?????文件?????????80??2014-05-11?20:46??flipall.m

?????文件???14735220??2014-05-11?20:46??mnist_uint8.mat

?????文件?????????48??2014-05-11?20:46??sigm.m

?????文件???????1501??2015-09-20?11:16??test_example_CNN.m

-----------?---------??----------?-----??----

?????????????14758141????????????????????12