We continue to consider
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with
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for
for the first group of period of time
for the second group of period of time
.
.
.
for the ns-th
group of period of time
together with different Afs and Qfs across groups.
We set bigger matrix Ps(tms in the program) together with As and Qs by:

and 
where each P is dim x dim and each A as well as each Q is dim x 1.
We pick every dim of them.