x1<-array(1:24,dim=c(2,3,4))我执行后的效果，和老师讲的不一样。只有一个两行三咧
> x1<-array(1:24,dim=c(2,3.4))
> x1
[,1] [,2] [,3]
[1,] 1 3 5
[2,] 2 4 6
> x1
[,1] [,2] [,3]
[1,] 1 3 5
[2,] 2 4 6
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> x1<-array(1:24,dim=c(2,3.4))
> x1
[,1] [,2] [,3]
[1,] 1 3 5
[2,] 2 4 6
> x1
[,1] [,2] [,3]
[1,] 1 3 5
[2,] 2 4 6
2019-03-22
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