Fix doc: SVD -> QR
Fix doc: SVD -> QR

okuta/chainer,hvy/chainer,hvy/chainer,wkentaro/chainer,hvy/chainer,chainer/chainer,chainer/chainer,okuta/chainer,niboshi/chainer,niboshi/chainer,wkentaro/chainer,keisuke-umezawa/chainer,niboshi/chainer,wkentaro/chainer,niboshi/chainer,keisuke-umezawa/chainer,chainer/chainer,tkerola/chainer,chainer/chainer,keisuke-umezawa/chainer,wkentaro/chainer,okuta/chainer,hvy/chainer,okuta/chainer,keisuke-umezawa/chainer,pfnet/chainer