Cody

Problems

1 – 50 of 79
Problem Title
Likes
Solvers
Difficulty

Problem 876. Sum the entries of each column of a matrix which satisfy a logical condition.

Created by: Ken Deeley

Tags matrix manipulation

3

145

Problem 43027. Gaussian elimination

Created by: Jamil Kasan

Tags matrix manipulation, matrix

8

10

Problem 1759. Find same numbers touching each other...

Created by: Chris E.

Tags matrix manipulation, true false

0

50

Problem 42646. Matrix FUN

Created by: Manish Joshi

Tags math, matlab 101, easy

3

140

Problem 44887. Given a matrix A (size m x n) create a matrix B (size m+2 x n+2) which consists of matrix A surrounded by zeros. See Example below:

Created by: Yoav Shallev

Tags matrix manipulation, basic matlab

1

140

Problem 1719. Dice face matrix!

Created by: Chris E.

Tags matrix manipulation, dice, fun

4

81

Problem 794. Matrix with different incremental runs

Created by: Aurelien Queffurust

Tags matrix manipulation, increment

4

318

Problem 44419. 対称で、n*2n のサイズの行列を作成しましょう

Created by: mizuki

Tags matrix manipulation, matrix, 日本語

4

196

Problem 44854. Alternating 1´s and 0´s in a matrix

Created by: Jesús Zambrano

Tags matrices, matrix manipulation, matrix

0

21

Problem 42876. Rotate Matrix @180 degree

Created by: Pritesh Shah

Tags matrix manipulation, matrix

4

700

Problem 1853. Enlarge array

Created by: Matthew Eicholtz

Tags matrix manipulation

5

186

Problem 43072. Check if a rotated array was originally sorted

Created by: Mohammad Haghighat

Tags sorting, matrix manipulation, permutations

4

62

Problem 47164. Red Cross ❌

Created by: Abhishek Sharma

Tags matrix manipulation, vector, basic matlab

0

23

Problem 45421. Abelian Sandpile - 02

Created by: Asif Newaz

Tags matrix manipulation, matrix

0

14

Problem 45271. Calculate triangle area

Created by: Jean Baptiste Joseph

Tags matrix manipulation, geometry, triangle

1

12

Problem 42763. Fill the Matrix - 2

Created by: Mehmet OZC

Tags matrix manipulation, matrix

1

46

Problem 42854. Crunch that matrix!

Created by: James

Tags matrix manipulation, addition, better way to do this?

1

76

Problem 1852. Repeat middle rows and columns of an array

Created by: Matthew Eicholtz

Tags matrix manipulation, repmat, blockproc

3

31

Problem 1961. Finding neighbors of [-1:1] in a matrix....

Created by: Chris E.

Tags matrix manipulation

2

64

Problem 2668. Assign matrix elements to separate variables

Created by: Matthew Eicholtz

Tags matrix manipulation, basic matlab, varargout

2

39

Problem 818. Change a specific color in an image

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation, image processing

3

63

Problem 43966. Matrix to 3-Column Matrix

Created by: Abdullah Caliskan

Tags matrix manipulation, matrix, basic matlab

1

46

Problem 2644. The Ulam Matrix

Created by: Giuseppe Cardillo

Tags matrix manipulation, ulam matrix;

4

40

Problem 44443. Matrix to vector transformation

Created by: jean claude

Tags vectors, sorting, matrix manipulation

1

33

Problem 2669. Assign matrix rows/columns to separate variables

Created by: Matthew Eicholtz

Tags matrix manipulation, basic matlab, varargout

2

32

Problem 2493. Must be in the front row...

Created by: James

Tags matrix manipulation, shifting

3

99

Problem 45399. ZigZag - 01

Created by: Asif Newaz

Tags easy, matrix manipulation, zigzag

0

29

Problem 54715. Weird Diagonal Matrix!!

Created by: Nayeb Hasin

Tags matrix manipulation, matrix, strategy

0

13

Problem 42858. Block average ignoring NaN values

Created by: Peng Liu

Tags matrix manipulation, nan, block average

2

31

Problem 46716. Matrix with increasing numbers (★★★★)

Created by: Anirban Pal

Tags matrix manipulation

1

30

Problem 798. Rotate input square matrix 90 degrees CCW without rot90

Created by: Christopher

Tags matrix manipulation

3

437

Problem 2456. remove single elements

Created by: rifat

Tags matrix manipulation, unique

1

72

Problem 45403. ZigZag - 03

Created by: Asif Newaz

Tags matrix manipulation, pattern, zigzag

3

18

Problem 45400. Fault in our Stars - 01

Created by: Asif Newaz

Tags matrix manipulation, matrix, ladder

1

15

Problem 2587. Find indices of diagonal elements

Created by: Jean-Marie Sainthillier

Tags matrix manipulation, diag, spdiags

2

59

Problem 45420. Abelian Sandpile - 01

Created by: Asif Newaz

Tags easy, matrix manipulation, matrix

1

13

Problem 45878. Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)

Created by: Anirban Pal

Tags matrix manipulation

0

24

Problem 45172. Cross ("+") flag returns

Created by: Kiran Ramsaroop

Tags matrices, matrix manipulation, matrix

0

16

Problem 42634. Minimum of each diagonal

Created by: Matthew Eicholtz

Tags matrix manipulation, diagonal, min

2

50

Problem 2592. LocateMembership | Membership of Matrix in another matrix

Created by: Vishal

Tags matrix manipulation

3

19

Problem 780. Give a matrix that matches itself when rotated

Created by: Ned Gulley

Tags matrix manipulation

2

12

Problem 45839. Column Removal (★★★)

Created by: Anirban Pal

Tags matrix manipulation

1

90

Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation

10

351

Problem 44950. Calculate Inner Product

Created by: Pooja Lalan

Tags matrix manipulation, logic

34

4640

Problem 1748. Ripping numbers apart!

Created by: Chris E.

Tags matrix manipulation, string manipulation

3

83

Problem 42761. Fill the matrix - 1

Created by: Mehmet OZC

Tags matrix manipulation, matrix

3

50

Problem 2648. Ulam spiral 2: The revenge

Created by: Giuseppe Cardillo

Tags indexing, matrix manipulation, plot

2

22

Problem 45815. Fill a zeros matrix (★★★★★)

Created by: Anirban Pal

Tags matrix manipulation

1

28

Problem 840. SET (the card game)

Created by: Matthew Eicholtz

Tags matrix manipulation, games

3

49

Problem 42705. Is It a Snake?

Created by: Ned Gulley

Tags matrix manipulation, badger badger badger badger

4

37
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