Question

Getting rid of exponents with n when solving with annihilators: $a_n=a_{n-1}+2a_{n-2}+2^n+n^2$

score 86 · Answer 1 · 2026-04-17 05:43:15

86

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Getting rid of exponents with n when solving with annihilators: $a_n=a_{n-1}+2a_{n-2}+2^n+n^2$

Published on 17 Apr 2026 - 5:43

score 270 · Answer 2 · 2026-04-14 13:08:48

270

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Demonstrating Strassen's method using domain transformation: $T(n)=7T(n/2)+an^2$

Published on 14 Apr 2026 - 13:08

score 23 · Answer 3 · 2026-04-16 00:46:08

23

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Proving $1+2CZ+3C^2Z^2+....=1/(1-CZ)^2$, considering $\sum\limits_{i=1}^{\infty}c^iZ^i=(1-CZ)(1+2CZ+3C^2Z^2+....)$

Published on 16 Apr 2026 - 0:46

score 40 · Answer 4 · 2026-04-16 00:19:29

40

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$2^n=na_n+na_{n-1}-a_{n-1}$ by range transformation

Published on 16 Apr 2026 - 0:19

score 219 · Answer 5 · 2026-04-10 16:16:03

219

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Recurrence Relation when A = 0

Published on 10 Apr 2026 - 16:16

score 1.1k · Answer 6 · 2026-04-12 17:23:28

1.1k

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Solving the recurrence relation obtained from the power series method

Published on 12 Apr 2026 - 17:23

score 685 · Answer 7 · 2026-04-13 20:26:30

685

Views

Result of a $2D$ random walk with position dependent probabilities

Published on 13 Apr 2026 - 20:26

score 101 · Answer 8 · 2026-04-09 00:18:35

101

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Recurrence equation solution

Published on 09 Apr 2026 - 0:18

score 126 · Answer 9 · 2026-04-12 01:45:12

126

Views

Proof that mappings $K$ and $L$ are primitive recursive.

Published on 12 Apr 2026 - 1:45

score 121 · Answer 10 · 2026-04-16 05:00:00

121

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Reccurence equation $f(n)=6f(n-1)-9f(n-2)+(n^2+1)3^n$

Published on 16 Apr 2026 - 5:00

score 890 · Answer 11 · 2026-04-11 18:31:21

890

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Non-linear recursion-Generating functions

Published on 11 Apr 2026 - 18:31

score 1k · Answer 12 · 2026-04-17 15:56:20

1k

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Probability that a random graph is connected

Published on 17 Apr 2026 - 15:56

score 84 · Answer 13 · 2026-04-16 06:27:03

84

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Proving that the elements of $A^n$ matrix are non-zero

Published on 16 Apr 2026 - 6:27

score 392 · Answer 14 · 2026-04-11 07:40:32

392

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Generating function of non-linear recursion

Published on 11 Apr 2026 - 7:40

score 152 · Answer 15 · 2026-04-16 11:09:23

152

Views

Is there an analytic expression for this recursive sum? $C_n = \sum _{k=0}^{n-1}C_k C_{n-1-k}$

Published on 16 Apr 2026 - 11:09

List Question

Getting rid of exponents with n when solving with annihilators: $a_n=a_{n-1}+2a_{n-2}+2^n+n^2$

Demonstrating Strassen's method using domain transformation: $T(n)=7T(n/2)+an^2$

Proving $1+2CZ+3C^2Z^2+....=1/(1-CZ)^2$, considering $\sum\limits_{i=1}^{\infty}c^iZ^i=(1-CZ)(1+2CZ+3C^2Z^2+....)$

$2^n=na_n+na_{n-1}-a_{n-1}$ by range transformation

Recurrence Relation when A = 0

Solving the recurrence relation obtained from the power series method

Result of a $2D$ random walk with position dependent probabilities

Recurrence equation solution

Proof that mappings $K$ and $L$ are primitive recursive.

Reccurence equation $f(n)=6f(n-1)-9f(n-2)+(n^2+1)3^n$

Non-linear recursion-Generating functions

Probability that a random graph is connected

Proving that the elements of $A^n$ matrix are non-zero

Generating function of non-linear recursion

Is there an analytic expression for this recursive sum? $C_n = \sum _{k=0}^{n-1}C_k C_{n-1-k}$

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