How to code more than one sampling instants (sampled-data control) loop?

x(t)=Ax(t)+Bu(t)

u(t)=Kx(t_k) ; u(t) is sampled-data contorl and x(t) is state vector. A and B are any square matrix;

we need to calculate u(t) in the following time instants

t_k < t < t_{k+1}, that is Tmin< t < Tmax. That is Tmin and Tmax are lower and upper bound for the sampling interval t_k < t < t_{k+1}.