Michael Byrne

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1 – 50 of 317

Problem 45492. SatCom #1: Wavelength of an electomagnetic wave

Created by: Mark Posen

Tags space, satellite, telecommunications

1

Solution

12

Size

1

Solution

12

Size

Problem 45364. Sum of series

Created by: Asif Newaz

Tags basic, easy, series

2

Solutions

12

Size

2

Solutions

12

Size

Problem 50997. Sum of series IX

Created by: Szász Botond

Tags n

1

Solution

18

Size

1

Solution

18

Size

Problem 50987. Sum of series VIII

Created by: Szász Botond

Tags n

2

Solutions

18

Size

2

Solutions

18

Size

Problem 885. Create logical matrix with a specific row and column sums

Created by: Amro

Tags matrix, logical, sum

1

Solution

45

Size

1

Solution

45

Size

Problem 555. "Low : High - Low : High - Turn around " -- Create a subindices vector

Created by: Freddy

Tags indexing, colon operator, basic matlab

3

Solutions

42

Size

3

Solutions

42

Size

Problem 856. Getting the indices from a matrix

Created by: Jean-Marie Sainthillier

Tags logical indexing

3

Solutions

23

Size

3

Solutions

23

Size

Problem 2577. Sum of series III

Created by: Grzegorz Knor

Tags series, sum

1

Solution

52

Size

1

Solution

52

Size

Problem 2579. Sum of series V

Created by: Grzegorz Knor

Tags series, sum

1

Solution

36

Size

1

Solution

36

Size

Problem 2580. Sum of series VI

Created by: Grzegorz Knor

Tags series, sum

1

Solution

21

Size

1

Solution

21

Size

Problem 2908. Approximation of Pi

Created by: goc3

Tags pi, infinite series, approximation

2

Solutions

44

Size

2

Solutions

44

Size

Problem 2576. Sum of series II

Created by: Grzegorz Knor

Tags series, sum

1

Solution

40

Size

1

Solution

40

Size

Problem 2575. Sum of series I

Created by: Grzegorz Knor

Tags series, sum, vvvd

1

Solution

12

Size

1

Solution

12

Size

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

2

Solutions

20

Size

2

Solutions

20

Size

Problem 44951. Verify Law of Large Numbers

Created by: Pooja Lalan

Tags rand, random integers

1

Solution

27

Size

1

Solution

27

Size

Problem 2695. Toeplitz Matrix

Created by: VIVEK RUHELA

Tags toeplitz

3

Solutions

49

Size

3

Solutions

49

Size

Problem 44523. Pattern Sum

Created by: Dishant Varshney

Tags sequences, series, sum

1

Solution

38

Size

1

Solution

38

Size

Problem 48. Making change

Created by: Cody Team

Tags money, subs

3

Solutions

77

Size

3

Solutions

77

Size

Problem 69. Find the peak 3n+1 sequence value

Created by: Cody Team

Tags 3n+1

4

Solutions

78

Size

4

Solutions

78

Size

Problem 1081. Test if two numbers have the same digits

Created by: @bmtran (Bryant Tran)

Tags plus15

3

Solutions

52

Size

3

Solutions

52

Size

Problem 721. Convert from Base 10 to base 5

Created by: Reza Ahmadzadeh

Tags mathematics

2

Solutions

15

Size

2

Solutions

15

Size

Problem 1510. Number of digits in an integer

Created by: Mohamed B.S.

Tags digits

2

Solutions

18

Size

2

Solutions

18

Size

Problem 42318. Evened up (or not)

Created by: goc3

Tags even, odd

2

Solutions

55

Size

2

Solutions

55

Size

Problem 55250. Find the minimum of the column-maximums of a matrix

Created by: Matt Tearle

Tags matrix, statistics

2

Solutions

36

Size

2

Solutions

36

Size

Problem 55230. Find Closest Constant

Created by: Renee Coetsee

Tags math, vector, matrix

1

Solution

43

Size

1

Solution

43

Size

Problem 54440. Create an arrow matrix

Created by: Ben Placek

Tags matrices, indexing, matrix

2

Solutions

38

Size

2

Solutions

38

Size

Problem 55220. Matrix Quadrants

Created by: Renee Coetsee

Tags matrix, concatenation, array creation

1

Solution

26

Size

1

Solution

26

Size

Problem 1804. Fangs of a vampire number

Created by: Andrew Newell

Tags factors, number theory

3

Solutions

58

Size

3

Solutions

58

Size

Problem 148. Factorize THIS, buddy

Created by: the cyclist

Tags easy prime, basic matlab

1

Solution

17

Size

1

Solution

17

Size

Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

Tags vectors, sorting

2

Solutions

55

Size

2

Solutions

55

Size

Problem 67. Find common elements in matrix rows

Created by: Cody Team

Tags matlab

4

Solutions

45

Size

4

Solutions

45

Size

Problem 2378. Area of a triangle

Created by: Shravankumar P

Tags math, triangle, area

1

Solution

16

Size

1

Solution

16

Size

Problem 43492. Create a square matrix with given conditions

Created by: Andriy Kavetsky

Tags matrix

2

Solutions

25

Size

2

Solutions

25

Size

Problem 42317. De-primed

Created by: goc3

Tags prime

1

Solution

34

Size

1

Solution

34

Size

Problem 2491. Dudeney Numbers: Numbers which are the cube of their decimal sum

Created by: Peter Cook

Tags cube, a061209, dudeney

1

Solution

34

Size

1

Solution

34

Size

Problem 2492. Factorions: Numbers that equal the sum of the factorials of their digits

Created by: Peter Cook

Tags factorial, factorion

1

Solution

34

Size

1

Solution

34

Size

Problem 1407. Is it an Armstrong number?

Created by: Harish Maradana

Tags armstrong no

1

Solution

31

Size

1

Solution

31

Size

Problem 1008. Determine if input is a Narcissistic number

Created by: Binbin Qi

Tags mod floor

2

Solutions

36

Size

2

Solutions

36

Size

Problem 170. First N Perfect Squares

Created by: @bmtran (Bryant Tran)

Tags math, perfect squares, integers

1

Solution

15

Size

1

Solution

15

Size

Problem 2733. Evil Number

Created by: Jan Orwat

Tags easy, number theory, oeis

1

Solution

30

Size

1

Solution

30

Size

Problem 156. Parasitic numbers

Created by: the cyclist

Tags parasitic

1

Solution

55

Size

1

Solution

55

Size

Problem 55960. Where the Four Corners Am I?

Created by: Ben Placek

Tags programming constructs

1

Solution

82

Size

1

Solution

82

Size

Problem 2133. Reverse Calculator

Created by: Vivek

Tags reverse order number

1

Solution

63

Size

1

Solution

63

Size

Problem 42384. Combined Ages 2 - Symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

2

Solutions

166

Size

2

Solutions

166

Size

Problem 44509. Determine if input is a valid AHP evaluation matrix

Created by: Mehmet OZC

Tags logical, check

7

Solutions

77

Size

7

Solutions

77

Size

Problem 42382. Combined Ages 1 - Symmetric, n = 3

Created by: goc3

Tags matrix, sum, linear

1

Solution

32

Size

1

Solution

32

Size

Problem 615. Nilpotent matrix

Created by: Grzegorz Knor

Tags matrix

4

Solutions

44

Size

4

Solutions

44

Size

Problem 451. Is this matrix orthogonal?

Created by: Bruce Raine

Tags orthogonal

2

Solutions

38

Size

2

Solutions

38

Size

Problem 3073. Projector Matrix

Created by: goc3

Tags matrix, projector, idempotent

2

Solutions

33

Size

2

Solutions

33

Size

Problem 2130. Orthonormal matrix

Created by: Abdullah Caliskan

Tags matrix

1

Solution

36

Size

1

Solution

36

Size

1 – 50 of 317