Fix default initialization of V1 and V2 in tensor network
Fix default initialization of V1 and V2 in tensor network

cemoody/chainer,sinhrks/chainer,truongdq/chainer,cupy/cupy,Kaisuke5/chainer,jnishi/chainer,benob/chainer,ikasumi/chainer,chainer/chainer,wkentaro/chainer,niboshi/chainer,sou81821/chainer,wkentaro/chainer,benob/chainer,yanweifu/chainer,tkerola/chainer,wkentaro/chainer,kashif/chainer,minhpqn/chainer,t-abe/chainer,okuta/chainer,wavelets/chainer,chainer/chainer,truongdq/chainer,keisuke-umezawa/chainer,hvy/chainer,masia02/chainer,t-abe/chainer,okuta/chainer,ktnyt/chainer,1986ks/chainer,muupan/chainer,ktnyt/chainer,keisuke-umezawa/chainer,tscohen/chainer,cupy/cupy,ktnyt/chainer,delta2323/chainer,jnishi/chainer,muupan/chainer,kiyukuta/chainer,ysekky/chainer,hvy/chainer,hvy/chainer,kikusu/chainer,jnishi/chainer,keisuke-umezawa/chainer,niboshi/chainer,hvy/chainer,keisuke-umezawa/chainer,sinhrks/chainer,hidenori-t/chainer,AlpacaDB/chainer,AlpacaDB/chainer,kikusu/chainer,tigerneil/chainer,ytoyama/yans_chainer_hackathon,chainer/chainer,cupy/cupy,aonotas/chainer,wkentaro/chainer,woodshop/chainer,anaruse/chainer,woodshop/complex-chainer,okuta/chainer,cupy/cupy,niboshi/chainer,kuwa32/chainer,ronekko/chainer,ktnyt/chainer,jnishi/chainer,niboshi/chainer,umitanuki/chainer,laysakura/chainer,chainer/chainer,rezoo/chainer,pfnet/chainer,okuta/chainer