Question

Expected value involving permutation

score 227 · Answer 1 · 2020-10-26 02:13:00

227

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Expected value involving permutation

Published on 26 Oct 2020 - 2:13

score 41 · Answer 2 · 2026-03-28 02:42:49

41

Views

Number of strings of fixed size having fixed number of lexicographically greater substrings

Published on 28 Mar 2026 - 2:42

score 83 · Answer 3 · 2026-02-26 01:02:06

83

Views

How to prove a recursive equation with mathematical induction?

Published on 26 Feb 2026 - 1:02

score 569 · Answer 4 · 2020-10-28 22:51:20

569

Views

Finding the closed form of a recursive sequence

Published on 28 Oct 2020 - 22:51

score 197 · Answer 5 · 2026-03-30 23:44:25

197

Views

Why are the roots of this recursive defined polynomial bound by the roots of the discriminant of the characteristic polynomial?

Published on 30 Mar 2026 - 23:44

score 157 · Answer 6 · 2020-10-31 17:28:59

157

Views

Propositional Recursion in van Dalen's Logic and Structure

Published on 31 Oct 2020 - 17:28

score 343 · Answer 7 · 2026-04-01 14:59:50

343

Views

Solve the recurrence relation: $na_n = (n-4)a_{n-1} + 12n H_n$

Published on 01 Apr 2026 - 14:59

score 61 · Answer 8 · 2020-11-02 11:07:09

61

Views

Reccursive formula as a non-recursive

Published on 02 Nov 2020 - 11:07

score 79 · Answer 9 · 2020-11-03 02:09:20

79

Views

Prove that if $-2 \leq x_0 \leq 2$, then $-2 \leq 3x_0 - x_0^3 \leq 2$.

Published on 03 Nov 2020 - 2:09

score 144 · Answer 10 · 2026-04-01 06:25:34

144

Views

How to solve this linear recurrence relation

Published on 01 Apr 2026 - 6:25

score 190 · Answer 11 · 2026-03-29 22:33:02

190

Views

What are the pros and cons of Newton's Method versus the Relaxed version?

Published on 29 Mar 2026 - 22:33

score 265 · Answer 12 · 2020-11-06 18:12:11

265

Views

Let n be a positive integer. Find the number of positive integers whose base n representation has some other properties (USAMO 1990)

Published on 06 Nov 2020 - 18:12

score 559 · Answer 13 · 2020-11-07 22:30:12

559

Views

Induction proof of $T(n)=T(\lfloor \alpha n \rfloor)+T(\lfloor(1−\alpha)n\rfloor)+1=O(n)$

Published on 07 Nov 2020 - 22:30

score 148 · Answer 14 · 2020-11-08 21:41:57

148

Views

Probability of defeating a hydra that grows back its heads

Published on 08 Nov 2020 - 21:41

score 53 · Answer 15 · 2026-03-29 18:15:19

53

Views

How can I prove $\sum_{i=0}^{n-2} B_iB_{n-i-2} = \sum_{i=1}^{n-1} M_iM_{n-i}$?

Published on 29 Mar 2026 - 18:15

List Question

Expected value involving permutation

Number of strings of fixed size having fixed number of lexicographically greater substrings

How to prove a recursive equation with mathematical induction?

Finding the closed form of a recursive sequence

Why are the roots of this recursive defined polynomial bound by the roots of the discriminant of the characteristic polynomial?

Propositional Recursion in van Dalen's Logic and Structure

Solve the recurrence relation: $na_n = (n-4)a_{n-1} + 12n H_n$

Reccursive formula as a non-recursive

Prove that if $-2 \leq x_0 \leq 2$, then $-2 \leq 3x_0 - x_0^3 \leq 2$.

How to solve this linear recurrence relation

What are the pros and cons of Newton's Method versus the Relaxed version?

Let n be a positive integer. Find the number of positive integers whose base n representation has some other properties (USAMO 1990)

Induction proof of $T(n)=T(\lfloor \alpha n \rfloor)+T(\lfloor(1−\alpha)n\rfloor)+1=O(n)$

Probability of defeating a hydra that grows back its heads

How can I prove $\sum_{i=0}^{n-2} B_iB_{n-i-2} = \sum_{i=1}^{n-1} M_iM_{n-i}$?

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