User user3243499

4

6

votes

2

answers

1k

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What is general term of the sequence : $1, 2, 4, 4, 8, 8, 8, 8, 16, 16, 16, 16, 16, 16, 16, 16, 32, 32 …$?

sequences-and-series

Sep 12 '17 at 11:35 TStancek 1,007

1

4

votes

1

answer

279

views

How to extract numbers from an bitwise OR number in an Array?

logic boolean-algebra

Mar 18 '18 at 12:07 Bram28 84k

2

votes

1

answer

78

views

How to find just the size of maximum Clique of a graph without actually bothering about the vertices?

graph-theory

Jul 14 '18 at 13:33 Michal Adamaszek 3,377

1

vote

1

answer

33

views

Any interesting reduction of LCM(a, b) / GCD(a, b)?

gcd-and-lcm

Nov 20 '19 at 11:11 Arnaud Mortier 25.6k

1

vote

1

answer

34

views

What would be the optimum approach for this string problem?

algorithms

Jul 9 '19 at 14:33 awkward 10.4k

1

vote

1

answer

72

views

How this tree has 6 subtress?

graph-theory

Nov 4 '18 at 8:25 Parcly Taxel 78.1k

1

vote

0

answers

31

views

Is there a closed form exists to count the total number of forests with x number of vertices such that no vertices are adjacent in the orignial graph?

combinatorics

Oct 7 '18 at 9:22 Community♦ 1

1

vote

2

answers

344

views

How to solve given recurrence relation for a given n and k?

recurrence-relations

Aug 5 '18 at 15:10 Sil 10.5k

1

vote

0

answers

44

views

Is there a closed form formula exists to count the number of non-perfect matchings in a bipartite graph given vertices and egdes count?

combinatorics graph-theory

Aug 4 '18 at 11:37 user3243499 359

1

vote

1

answer

905

views

How to make a palindromic table where each row and column is a palindrome?

palindrome

Jun 30 '18 at 14:04 joriki 207k

1

vote

2

answers

285

views

How to find the coordinates of tangency of an external point to a sphere?

geometry 3d

Jun 2 '18 at 19:09 amd 47.1k

1

vote

2

answers

2k

views

How to find the least significant bit position using bit position common to two numbers?

logic bit-strings

Aug 8 '17 at 18:29 Donn Miller 81

1

vote

1

answer

57

views

How do I calculate sum of sum of two integer arrays such that common elements are counted once?

arithmetic additive-combinatorics

Jun 11 '17 at 10:57 user3243499 359

1

vote

1

answer

82

views

what would be the sum of this series of multiple APs

sequences-and-series summation

Jun 10 '17 at 5:09 miracle173 8,651

0

votes

1

answer

13

views

How to find the first integer point cartesian plan intersection of the line joining origin and another point?

coordinate-systems polar-coordinates

Nov 22 '19 at 15:41 Community♦ 1

0

votes

0

answers

21

views

How to find the earliest integer cartesian cordinates point in the all positive quadrant given a degree in polar cordinate?

coordinate-systems polar-coordinates

Nov 22 '19 at 9:33 user3243499 359

0

votes

5

answers

101

views

What would be the closed form of $n\cdot n + (n-2)\cdot(n-2) + (n-4)\cdot(n-4) + \dots$?

sequences-and-series closed-form

Dec 28 '18 at 0:29 Abraham Zhang 777

0

votes

2

answers

187

views

Not able to understand the solution of a simple math problem

geometry gcd-and-lcm

Aug 19 '18 at 16:32 Moo 7,821

0

votes

2

answers

346

views

What is the correct way to find the largest multiple less than Z?

modular-arithmetic

Nov 20 '17 at 15:28 Eric Towers 57k

0

votes

1

answer

14

views

Which parameter gives better qualitative measure among arrays of numbers?

statistics

Oct 13 '17 at 2:57 BruceET 43.9k

0

votes

0

answers

148

views

How to step over to only odd numbers in the nth diagonal of Pascal's -Sierpinski's triangle?

sequences-and-series binomial-coefficients

Sep 9 '17 at 22:04 user3243499 359

0

votes

0

answers

60

views

Is there a closed form exists for finding nth bitwise xor sum in an array?

sequences-and-series

Sep 8 '17 at 22:17 user3243499 359

0

votes

4

answers

3k

views

What is sum of $\sum_{x=1}^n x \log (x)$ [closed]

sequences-and-series logarithms

Jul 12 '17 at 12:34 Simply Beautiful Art 69.4k

0

votes

3

answers

3k

views

How to check if a<b bitwise? [closed]

logic

Jul 11 '17 at 17:56 Bram28 84k

0

votes

0

answers

37

views

What is meant by viewing a tree as a chain of nodes?

graph-theory trees

Jul 9 '17 at 21:35 user3243499 359

0

votes

3

answers

56

views

Sum $\sum_{i=1}^n\frac{3^{i-1}}{2^{i-2}}$

sequences-and-series summation power-series

Jun 26 '17 at 8:32 jimjim 9,212

0

votes

0

answers

45

views

What am I doing wrong in finding set intersection between two sets?

elementary-set-theory

Jun 11 '17 at 16:11 user3243499 359

0

votes

0

answers

106

views

Find pairwise intersection sum of L subsets of an Universal set

elementary-set-theory

Jun 10 '17 at 19:10 Bram28 84k

0

votes

1

answer

95

views

How to find the least integer in modular arithmetic?

modular-arithmetic

May 26 '17 at 18:55 Matt B 3,438

0

votes

3

answers

94

views

A mathematical formula to count maximum number of possible numbers above a certain threshold.

number-theory

May 21 '17 at 17:49 Hagen von Eitzen 336k

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33 Questions

What is general term of the sequence : $1, 2, 4, 4, 8, 8, 8, 8, 16, 16, 16, 16, 16, 16, 16, 16, 32, 32 …$?

How to extract numbers from an bitwise OR number in an Array?

How to find just the size of maximum Clique of a graph without actually bothering about the vertices?

Any interesting reduction of LCM(a, b) / GCD(a, b)?

What would be the optimum approach for this string problem?

How this tree has 6 subtress?

Is there a closed form exists to count the total number of forests with x number of vertices such that no vertices are adjacent in the orignial graph?

How to solve given recurrence relation for a given n and k?

Is there a closed form formula exists to count the number of non-perfect matchings in a bipartite graph given vertices and egdes count?

How to make a palindromic table where each row and column is a palindrome?

How to find the coordinates of tangency of an external point to a sphere?

How to find the least significant bit position using bit position common to two numbers?

How do I calculate sum of sum of two integer arrays such that common elements are counted once?

what would be the sum of this series of multiple APs

How to find the first integer point cartesian plan intersection of the line joining origin and another point?

How to find the earliest integer cartesian cordinates point in the all positive quadrant given a degree in polar cordinate?

What would be the closed form of $n\cdot n + (n-2)\cdot(n-2) + (n-4)\cdot(n-4) + \dots$?

Not able to understand the solution of a simple math problem

What is the correct way to find the largest multiple less than Z?

Which parameter gives better qualitative measure among arrays of numbers?

How to step over to only odd numbers in the nth diagonal of Pascal's -Sierpinski's triangle?

Is there a closed form exists for finding nth bitwise xor sum in an array?

What is sum of $\sum_{x=1}^n x \log (x)$ [closed]

How to check if a<b bitwise? [closed]

What is meant by viewing a tree as a chain of nodes?

Sum $\sum_{i=1}^n\frac{3^{i-1}}{2^{i-2}}$

What am I doing wrong in finding set intersection between two sets?

Find pairwise intersection sum of L subsets of an Universal set

How to find the least integer in modular arithmetic?

A mathematical formula to count maximum number of possible numbers above a certain threshold.