Structure change with transition matrix

 

We continue to consider

 

but

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.

 

Now c consists of parameter matrix para and it is not changed at all.

 

Technically, we replace k(or K) by x and ks(or Ks) by Xs.

 

We also change A[j] and Q[j] by para[j,.] as one matrix in the program.