Hi, I have 2 questions on list object:
 
1. Suppose I have a matrix like:
dat <- matrix(1:9,3)
 
Now I want to replicate this entire matrix 3 times and put entire result in a list object. Means, if "res" is the resulting list then I should have:
 
res[[1]]=dat, res[[2]]=dat, res[[3]]=dat
 
How can I do that in the easilest manner?
 
2. Suppose I have 2 list objects:
list1 <- list2 <- vector("list", length=2)
for(i in 1:2) {
  list1[[i]] <- matrix(rnorm(15), 3)
  list2[[i]] <- matrix(rnorm(15), 3)
 }

How can I add these 2 list objects? I have tried with just list1+list2, however it is generating some error.
 
Would be grateful for any help.
 
Thanks,


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