# Problems

1 – 50 of 142
 Problem Title Likes Solvers Difficulty

#### Problem 44739. Return all matrix elements except elements on diagonal

Created by: Suraj Gurav

1

44

#### Problem 45872. Remove the row average (★★★)

Created by: Anirban Pal

Tags matrix

2

35

#### Problem 44666. Draw 'O' !

Created by: Majid Farzaneh

Tags matrix, o, draw

7

630

#### Problem 46621. One-hot encoding

Created by: Asif Newaz

Tags matrix

2

32

#### Problem 45221. cofactor matrix

Created by: Asif Newaz

1

20

#### Problem 51287. Square Patterns in a square matrix

Created by: Sumi Suresh

Tags matrix

0

9

#### Problem 1158. Sum the elements in either diagonal of a square matrix

Created by: Tom Holz

2

203

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

Created by: Matt Tearle

1

178

#### Problem 44888. Given a matrix A (size m x n) create a matrix B which consists of matrix A sorted in descending order by columns and then by rows.

Created by: Yoav Shallev

1

137

#### Problem 44889. Given a matrix A return a vector of the product of the elements in each column using a loop without using prod.

Created by: Yoav Shallev

Tags matrix, basics

0

142

#### Problem 55240. Calculate the mean of each half of a matrix

Created by: Matt Tearle

Tags matrix

1

177

#### Problem 2144. interesting center of magic matrix

Created by: Koteswar Rao Jerripothula

Tags matrix

1

96

#### Problem 43226. Get 1-4-3-4-4

Created by: Jamil Kasan

8

93

#### Problem 44679. Draw 'E'

Created by: Majid Farzaneh

Tags matrix, e, draw

14

796

#### Problem 2130. Orthonormal matrix

Created by: Abdullah Caliskan

Tags matrix

1

145

#### Problem 44672. Draw 'C'.

Created by: Majid Farzaneh

Tags matrix, c, draw

10

791

Created by: goc3

1

16

#### Problem 1725. Diagonal & Anti-Diagonal Matrix: Easy

Created by: Suman Saha

Tags easy, matrix

0

89

#### Problem 44477. Find left eigenvector of row stochastic matrix

Created by: Martin C.

0

10

#### Problem 43177. Extract a specific part of matrix!

Created by: Jang geun Choi

Tags easy, matlab, matrix

6

70

#### Problem 44530. Are you more familiar with iteration methods or Linear Algebra? Let's see together.

Created by: Riccardo Dessì

Tags math, basic, matlab

1

23

#### Problem 49627. Matrix Pattern 8

Created by: Doddy Kastanya

1

44

#### Problem 44681. Draw 'H'

Created by: Majid Farzaneh

Tags matrix, draw, h

9

818

#### 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

5

219

Created by: goc3

1

97

#### Problem 42646. Matrix FUN

Created by: Manish Joshi

3

143

#### Problem 44686. Draw 'J'

Created by: Majid Farzaneh

Tags matrix, character, j

7

786

#### Problem 2799. Multiply Column

Created by: Abdullah Caliskan

2

43

#### Problem 43072. Check if a rotated array was originally sorted

Created by: Mohammad Haghighat

4

65

#### Problem 45177. Summing Rows and Columns

Created by: Asif Newaz

Tags matrix

1

40

#### Problem 49622. Matrix Pattern 7

Created by: Doddy Kastanya

1

46

#### Problem 43026. Determinant of a 3x3 Matrix

Created by: Jamil Kasan

12

107

#### Problem 45489. Top layer of a 3D pyramid

Created by: Fazlul Haque

Tags geometry, matrix, 3d

1

19

#### Problem 45491. cross-section of 3D pyramid

Created by: Fazlul Haque

Tags geometry, matrix, 3d

1

19

#### Problem 44680. Draw 'F'

Created by: Majid Farzaneh

Tags matrix, f, draw

6

696

#### Problem 54119. Create the Ulam spiral

Created by: Hugo

Tags prime, matrix

0

11

Created by: Sibi

Tags matrix

0

11

#### Problem 763. Find the elements of a matrix according to a defined property.

Created by: Julio

Tags vectors, matrix

3

81

#### Problem 45417. Fault in our Stars - 02

Created by: Asif Newaz

2

12

#### Problem 42876. Rotate Matrix @180 degree

Created by: Pritesh Shah

5

798

#### Problem 55230. Find Closest Constant

Created by: Renee Bach

Tags math, vector, matrix

4

195

#### Problem 1430. Create an n-by-n null matrix and fill with ones certain positions

Created by: Daniel Pereira

6

471

#### Problem 44673. Draw 'D'.

Created by: Majid Farzaneh

Tags matrix, d, draw

5

695

#### Problem 1636. ZigZag matrix with reflected format

Created by: Suman Saha

Tags matrix

4

165

#### Problem 45421. Abelian Sandpile - 02

Created by: Asif Newaz

0

15

#### Problem 44496. vector indexes for a matrix

Created by: Kodavati Mahendra

0

30

#### Problem 45235. generate the matrix

Created by: Asif Newaz

Tags matrix

1

26

#### Problem 44646. Draw a 'Z'.

Created by: Majid Farzaneh

Tags matrix, character, z

10

626

#### Problem 44682. Numbers on 7-segment

Created by: Majid Farzaneh

3

71

#### Problem 49617. Matrix Pattern 6

Created by: Doddy Kastanya

1

105

1 – 50 of 142