Simulink: implementing a custom transfer function

Let's say I implement this m-file:

Fq=tf(0.5^2,[1 2*0.7*0.5 0.5^2]);
G=tf(0.006*[200 1],[80 1 0]);

open Inner_Loop.mdl

Inside Inner_loop.mdl, if I want to implement/model a transfer function block using G, how can it be achieved easily? In other words, how can I retrieve the numerator and denominator of a tf easily?

Thanks in advance.


It's done by calling tfdata() function, for numerator data of let's say num, num{1} needs to be specified in the data fields of the transfer function block in the Simulink model.

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