Question

Solve a 2D linear recurrence

score 101 · Answer 1 · 2026-04-12 11:15:29

101

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Solve a 2D linear recurrence

Published on 12 Apr 2026 - 11:15

score 93 · Answer 2 · 2026-04-15 20:03:27

93

Views

Using inequality $\sum_{k-2}^{n-1} k \log k \leq \frac{1}{2} n^2 \log n - \frac{1}{8} n^2$ to show the recurrence of quicksort runtime

Published on 15 Apr 2026 - 20:03

score 70 · Answer 3 · 2026-04-16 00:27:59

70

Views

Sum of the series created by a recursive sequence

Published on 16 Apr 2026 - 0:27

score 39 · Answer 4 · 2026-04-15 04:31:43

39

Views

Integral on union of two disjoint interval time scale

Published on 15 Apr 2026 - 4:31

score 203 · Answer 5 · 2026-04-14 15:39:54

203

Views

Generating Function for the number of $n$-permutations whose square is the identity permutation.

Published on 14 Apr 2026 - 15:39

score 36 · Answer 6 · 2026-04-17 20:38:05

36

Views

Bounding the "General Version" of the Fibonacci Sequence

Published on 17 Apr 2026 - 20:38

score 146 · Answer 7 · 2026-04-12 05:37:36

146

Views

Finding the formula for the Fibonacci numbers using Generating Functions

Published on 12 Apr 2026 - 5:37

score 55 · Answer 8 · 2026-04-12 12:58:12

55

Views

solution for reccurence relation, different solution than wolframalpha

Published on 12 Apr 2026 - 12:58

score 76 · Answer 9 · 2026-04-14 19:12:54

76

Views

Why does this application of Jacobsthal numbers defined by the recurrence relation: $a_n$ = $a_{n-1}$ + 2$a_{n-2}$ work in 2D tiles / grids?

Published on 14 Apr 2026 - 19:12

score 76 · Answer 10 · 2026-04-11 05:07:35

76

Views

Does a bijective function exists behind every recurrence relation?

Published on 11 Apr 2026 - 5:07

score 126 · Answer 11 · 2026-04-11 13:01:22

126

Views

Solve two-variable recursion using generating function

Published on 11 Apr 2026 - 13:01

score 39 · Answer 12 · 2026-04-10 16:00:45

39

Views

Obtaining a single value of EGF in terms of multiple OGF evaluations?

Published on 10 Apr 2026 - 16:00

score 43 · Answer 13 · 2026-04-15 01:25:22

43

Views

Probability to reach $n+1>0$ before returning to the origin in an asymmetric one dimensional random walk.

Published on 15 Apr 2026 - 1:25

score 140 · Answer 14 · 2026-04-16 12:00:59

140

Views

Find the number of strings that only contains $0,1,2$ of length $n$ that do not contain $102$ as a substring

Published on 16 Apr 2026 - 12:00

score 104 · Answer 15 · 2026-04-15 16:07:16

104

Views

How to get the formula from its recurrence relation $A(n,m)=A(n-1,m)+A(n-1,m-1)+A(n-2,m)-A(n-2,m-1)$ or its generating function?

Published on 15 Apr 2026 - 16:07

List Question

Solve a 2D linear recurrence

Using inequality $\sum_{k-2}^{n-1} k \log k \leq \frac{1}{2} n^2 \log n - \frac{1}{8} n^2$ to show the recurrence of quicksort runtime

Sum of the series created by a recursive sequence

Integral on union of two disjoint interval time scale

Generating Function for the number of $n$-permutations whose square is the identity permutation.

Bounding the "General Version" of the Fibonacci Sequence

Finding the formula for the Fibonacci numbers using Generating Functions

solution for reccurence relation, different solution than wolframalpha

Why does this application of Jacobsthal numbers defined by the recurrence relation: $a_n$ = $a_{n-1}$ + 2$a_{n-2}$ work in 2D tiles / grids?

Does a bijective function exists behind every recurrence relation?

Solve two-variable recursion using generating function

Obtaining a single value of EGF in terms of multiple OGF evaluations?

Probability to reach $n+1>0$ before returning to the origin in an asymmetric one dimensional random walk.

Find the number of strings that only contains $0,1,2$ of length $n$ that do not contain $102$ as a substring

How to get the formula from its recurrence relation $A(n,m)=A(n-1,m)+A(n-1,m-1)+A(n-2,m)-A(n-2,m-1)$ or its generating function?

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