How to check the stability of a system using Simulink?

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doubledragon

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Simulink(mat lab)

How to simulate the system is stable or not by using Simulink?

Given is state space form
 

Re: Simulink(mat lab)

use this functions in same order
[n,d]=ss2tf[a,b,c,d] ..............where a,b,c,d is the matricies of the state space
and the n, d are the num. and denum. of the tf.

x=tf(n,d)

rlocus(n,d)......to get the locus root plot , when the root are in the right hand side the
system will be un stable.
 

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