Hi all
I have a short question relating to the usage of the summation sign in R.
Let's define A and B as two kxk matrices (which are constant).
C^(n) = Ó_(j=1)^n [(Ó_(i=1)^(j-1) A^i ) B (Ó_(i=1)^(j-1) A^i) ]
My goal is to calculate the matrix C for the periods from 1 to 200 (n=1-200).
How has that to be implemented in R?
Thank you for your help!!
Kind regards,
Sebastian
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