请问如下几个问题？
library(graph)
V1<-LETTERS[1:5]
edL<-vector("list",length = 5)
names(edL)<-V1
for(i in 1:5) edL[[i]]<-list(edges=c(2,3,4,5,1)[i])
print(edL)
print(c(2,3,4,5,1)[1])
G1<-new("graphNEL",nodes=V1,edgeL=edL);
print edL 时 输出结果看不懂
G1<-new("graphNEL",nodes=V1,edgeL=edL); 这句执行出现了如下的错误
