Z transforms

Thread Starter

Vikram50517

Joined Jan 4, 2020
81
Hello all. Kindly consider my doubt.

What significance does the ROC contribute in analyzing stability of a system. For example consider a function 3^n. when you take its ROC you get |z|>3. My doubt is what information does it provide about the signal and system?. Because the function is anyway unstable. Over highvalues of n , 3^n diverges
 
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