Add comments how to enable double backprop in L.Classifier
Add comments how to enable double backprop in L.Classifier

jnishi/chainer,keisuke-umezawa/chainer,okuta/chainer,niboshi/chainer,keisuke-umezawa/chainer,wkentaro/chainer,niboshi/chainer,pfnet/chainer,jnishi/chainer,anaruse/chainer,ktnyt/chainer,okuta/chainer,jnishi/chainer,niboshi/chainer,hvy/chainer,wkentaro/chainer,ktnyt/chainer,hvy/chainer,okuta/chainer,aonotas/chainer,ktnyt/chainer,wkentaro/chainer,chainer/chainer,wkentaro/chainer,jnishi/chainer,okuta/chainer,hvy/chainer,chainer/chainer,tkerola/chainer,keisuke-umezawa/chainer,chainer/chainer,rezoo/chainer,hvy/chainer,niboshi/chainer,chainer/chainer,keisuke-umezawa/chainer,ronekko/chainer,ktnyt/chainer