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Fat32
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What is the causality & stability status for three cases shown (aso in attached photo) ?

$$H(z) = \frac{z(z-1)}{(z+1)(z+\frac{1}{3})} $$

for three possible regions of convergence as:

a-) |z| > 1

b-) |z| < 1/3

c-) 1/3 < |z| < 1

Am i ok as below?

a) Causal & marginally stable

b) anti-causal & unstable

c) non-causal & marginally stable

enter image description here

What is the causality & stability status for three cases shown in attached photo?

Am i ok as below?

a) Causal & marginally stable

b) anti-causal & unstable

c) non-causal & marginally stable

enter image description here

What is the causality & stability status for three cases shown (aso in attached photo) ?

$$H(z) = \frac{z(z-1)}{(z+1)(z+\frac{1}{3})} $$

for three possible regions of convergence as:

a-) |z| > 1

b-) |z| < 1/3

c-) 1/3 < |z| < 1

Am i ok as below?

a) Causal & marginally stable

b) anti-causal & unstable

c) non-causal & marginally stable

enter image description here

Key typo in causality corrected
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A_A
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What is the casualitycausality & stability status for three cases shown in attached photo?

amAm i ok as below?

a)casual Causal & marginally stable

b)anticasual anti-causal & unstable

c)noncasual non-causal & marginally stable

enter image description here

What is the casuality & stability status for three cases shown in attached photo?

am i ok as below?

a)casual & marginally stable

b)anticasual & unstable

c)noncasual & marginally stable

enter image description here

What is the causality & stability status for three cases shown in attached photo?

Am i ok as below?

a) Causal & marginally stable

b) anti-causal & unstable

c) non-causal & marginally stable

enter image description here

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DSP_CS
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Z transform stability

What is the casuality & stability status for three cases shown in attached photo?

am i ok as below?

a)casual & marginally stable

b)anticasual & unstable

c)noncasual & marginally stable

enter image description here