Question

Solving $a_n=5a(n/3)-6a(n/9)+2log_3n$ using domain transformation

score 111 · Answer 1 · 2026-04-02 19:48:14

111

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Solving $a_n=5a(n/3)-6a(n/9)+2log_3n$ using domain transformation

Published on 02 Apr 2026 - 19:48

score 36 · Answer 2 · 2026-03-29 05:44:18

36

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Why is $X_m$ and $Y_m$ not included in the shaded region(where median can lie)?

Published on 29 Mar 2026 - 5:44

score 88 · Answer 3 · 2015-04-29 22:32:58

88

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A combinatorial way to understand $\sum \log^2 n $

Published on 29 Apr 2015 - 22:32

score 96 · Answer 4 · 2026-04-02 21:38:07

96

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Solving $\scriptsize a_n=\sqrt{a_{n-1}+\sqrt{a_{n-2}+\sqrt{a_{n-3}+\ldots}}}$ with range transformation

Published on 02 Apr 2026 - 21:38

score 84 · Answer 5 · 2026-04-02 21:39:19

84

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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 02 Apr 2026 - 21:39

score 537 · Answer 6 · 2026-03-28 20:41:21

537

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Explanation of Distance of binary vectors formula

Published on 28 Mar 2026 - 20:41

score 277 · Answer 7 · 2015-04-30 05:37:32

277

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The "Smooth Factor" in a number sequence

Published on 30 Apr 2015 - 5:37

score 268 · Answer 8 · 2026-04-02 21:37:44

268

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

Published on 02 Apr 2026 - 21:37

score 99 · Answer 9 · 2015-04-30 15:29:34

99

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algorithm for generating a random non-degenerate matrix over $[0,1 ]$?

Published on 30 Apr 2015 - 15:29

score 21 · Answer 10 · 2026-04-02 21:40:48

21

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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 02 Apr 2026 - 21:40

score 38 · Answer 11 · 2026-04-02 21:39:29

38

Views

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

Published on 02 Apr 2026 - 21:39

score 329 · Answer 12 · 2026-04-03 14:32:15

329

Views

Quick solution check for the TSP

Published on 03 Apr 2026 - 14:32

score 2.2k · Answer 13 · 2015-05-01 05:02:43

2.2k

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Inverting a map from a finite 3D grid to 1D

Published on 01 May 2015 - 5:02

score 69 · Answer 14 · 2026-04-08 04:12:17

69

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Context Free Grammer (CFG) for a language

Published on 08 Apr 2026 - 4:12

score 12.5k · Answer 15 · 2026-04-02 01:30:51

12.5k

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Why do we divide or multiply by 2 when converting binary?

Published on 02 Apr 2026 - 1:30

List Question

Solving $a_n=5a(n/3)-6a(n/9)+2log_3n$ using domain transformation

Why is $X_m$ and $Y_m$ not included in the shaded region(where median can lie)?

A combinatorial way to understand $\sum \log^2 n $

Solving $\scriptsize a_n=\sqrt{a_{n-1}+\sqrt{a_{n-2}+\sqrt{a_{n-3}+\ldots}}}$ with range transformation

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

Explanation of Distance of binary vectors formula

The "Smooth Factor" in a number sequence

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

algorithm for generating a random non-degenerate matrix over $[0,1 ]$?

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

Quick solution check for the TSP

Inverting a map from a finite 3D grid to 1D

Context Free Grammer (CFG) for a language

Why do we divide or multiply by 2 when converting binary?

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