Question on list object

Dear all, let say, I have following list object:



listObj <- vector("list", length = 3)

listObj[[1]] <- rnorm(3)

listObj[[2]] <- rnorm(4)

listObj[[3]] <- rnorm(5)



Now I want to convert above list into a Matrix. Ofcourse I can do it using
"Reduce("rbind", listObj)". However as you notice that as elements of that
list are arbitrary length vectors, I cant use this trick. What I want is to
have a matrix with 3x5 dimension, where the remaining element of each row
with be filled with NA, i.e I want :



rbind(c(listObj[[1]], c(NA, NA)), c(listObj[[2]], c(NA)),listObj[[3]])



Is there any better way on how I can do that more directly?



Thanks and regards,


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