residual capacity define the residual capacity cf(u,v)by c(u,v)-f(u,v)if (u,v)EE, Cf(u,)={ f(v,) if(y,W)∈E, 0 otherwise 12/12 V3 11/16 15/20 4/9 问题5：我们为什么要如 8/13 4/4 此定义residual capacity? V2 V4 11/14 Cr(W3,V2)=? C(y2,V3)=?residual capacity 问题5：我们为什么要如 此定义residual capacity? ( , ) ? ( , ) ? 2 3 3 2   c v v c v v f f