How to join matrices of different row length from a list

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How to join matrices of different row length from a list

emj83
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Hi,

I have several matrix in a list, for example:
e
[[1]]
     [,1] [,2]
[1,]    1    3
[2,]    2    4

[[2]]
     [,1] [,2]
[1,]    1    4
[2,]    2    5
[3,]    3    6

[[3]]
     [,1] [,2]
[1,]    2    1

I would like to join them by column i.e.
     [,1] [,2]   [,3] [,4][,5] [,6]
[1,]    1    3   1    4    2    1
[2,]    2    4   2    5   NA  NA
[3,]   NA  NA  3    6   NA   NA

I have tried  do.call(cbind,e) but I get this error message as the rows are of different length-
Error in function (..., deparse.level = 1)  :
  number of rows of matrices must match (see arg 2)

Can anyone advise me please?

Thanks Emma