List questions from z-transform

Published on 11 Apr 2026 - 10:39

99

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Solving another non-trivial recurrence relation

Published on 26 Mar 2026 - 9:37

467

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Suppose the $Z$-transform of $x(n)$ is $X(z)$. What is the $Z$-transform of $x(2n)$?

Published on 13 Apr 2026 - 17:08

129

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Inverting a digital filter

Published on 14 Apr 2026 - 19:33

88

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Discrete LTI systems with complex inputs?

Published on 11 Apr 2026 - 23:56

87

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Finding inverse Z Transform

Published on 12 Apr 2026 - 7:07

104

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Why does the Z transform represent a delay?

Published on 12 Apr 2026 - 3:24

18

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Signal where the bilateral z-transform exists, but the unilteral z-transform doesn't for some value?

Published on 11 Apr 2026 - 18:02

133

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If $a_{n+1}=2a_n −n^2+n$ Define a sequence $a_n$ that satisfy the recurrence relation as described above, with $a_1 = 3$

Published on 16 Apr 2026 - 15:49

170

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Relation between $r^n x[n]$ and $X(z)$

Published on 14 Apr 2026 - 22:15

673

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z-transform and roc

Published on 10 May 2026 - 13:14

782

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Recurrence equation for sequence of vectors

Published on 11 Apr 2026 - 4:23

49

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Asymptotic solution of the equation $\gamma_{i+2} + 4\gamma_{i+1} + \gamma_{i} = \frac{Kh^2}{12}$

Published on 15 Apr 2026 - 7:24

496

Views

How to prove that difference equation is stable when its roots are inside the unit circle.

Published on 14 Apr 2026 - 11:39

167

Views

matlab z-transform

Published on 30 Apr 2026 - 10:41

List Question

Yet another non-trivial recurrence relation to solve.

Solving another non-trivial recurrence relation

Suppose the $Z$-transform of $x(n)$ is $X(z)$. What is the $Z$-transform of $x(2n)$?

Inverting a digital filter

Discrete LTI systems with complex inputs?

Finding inverse Z Transform

Why does the Z transform represent a delay?

Signal where the bilateral z-transform exists, but the unilteral z-transform doesn't for some value?

If $a_{n+1}=2a_n −n^2+n$ Define a sequence $a_n$ that satisfy the recurrence relation as described above, with $a_1 = 3$

Relation between $r^n x[n]$ and $X(z)$

z-transform and roc

Recurrence equation for sequence of vectors

Asymptotic solution of the equation $\gamma_{i+2} + 4\gamma_{i+1} + \gamma_{i} = \frac{Kh^2}{12}$

How to prove that difference equation is stable when its roots are inside the unit circle.

matlab z-transform

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