Update math formula typo
Update math formula typo
chainer/chainer,niboshi/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,okuta/chainer,wkentaro/chainer,jnishi/chainer,wkentaro/chainer,chainer/chainer,anaruse/chainer,rezoo/chainer,hvy/chainer,jnishi/chainer,wkentaro/chainer,keisuke-umezawa/chainer,hvy/chainer,pfnet/chainer,jnishi/chainer,hvy/chainer,keisuke-umezawa/chainer,niboshi/chainer,ktnyt/chainer,hvy/chainer,wkentaro/chainer,chainer/chainer,okuta/chainer,ronekko/chainer,niboshi/chainer,tkerola/chainer,okuta/chainer,niboshi/chainer,okuta/chainer,ktnyt/chainer,jnishi/chainer,ktnyt/chainer,ktnyt/chainer,chainer/chainer