[R] computation of matrices in list of list

[kathie]

Dear R users,

I have the list as follows;

#------------------------------------------------------

> z

[[1]]
[[1]][[1]]

matrix(A)

[[1]][[2]]

matrix(B)

[[1]][[3]]

matrix(C)

[[2]]
[[2]][[1]]

matrix(D)

[[2]][[2]]

matrix(E)

[[2]][[3]]

matrix(F)

#---------------------------------------------

I'd like to compute 

matrix(A)+matrix(B)+matrix(C)+matrix(D)+matrix(E)+matrix(F)


In fact, I tried "lapply", "do.call" etc, but failed.



Any suggestion will be greatly appreciated.

Regards,

Kathryn Lord 

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