Cody

# Problems

1 – 19 of 19
 Problem Title Likes Solvers

#### Problem 1321. Given a 4x4 matrix, swap the two middle columns

Created by: Harish Maradana

Tags swap

1

528

#### Problem 1422. frame of the matrix

Created by: Marco Castelli

Tags frame

1

518

#### Problem 42320. Write a function man that takes a row vector v and returns a matrix H as follows..

Created by: Manish Joshi

Tags easy, square, matrix

0

477

#### Problem 1421. subtract central cross

Created by: Marco Castelli

Tags empty

0

215

#### Problem 1429. Remove entire row and column in the matrix containing the input values

Created by: Selvaraaju Murugesan

0

180

#### Problem 2178. Matrix multiplication across rows

Created by: Swapnali Gujar

1

164

#### Problem 2351. Replace Nonzero Numbers with 1

Created by: Vishal

Tags matrix

0

159

#### Problem 1853. Enlarge array

Created by: Matthew Eicholtz

2

139

#### Problem 2063. A matrix of extroverts

Created by: James

2

123

#### Problem 1898. Too Many Zeros, Dump Them!

Created by: Mineralter

0

111

#### Problem 1167. matrix zigzag

Created by: trekker

2

102

#### Problem 2442. Magnet and Iron

Created by: rifat

6

94

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

Created by: James

2

67

#### Problem 2701. Go to the head of the class!

Created by: James

1

65

#### Problem 3075. Matrix of Multiplication Facts

Created by: James

9

65

#### Problem 1286. MatCAT - Reconstruct X from Its X-rays

Created by: Ned Gulley

Tags matrices

1

64

#### Problem 42501. Toeplitize a matrix

Created by: Peng Liu

2

53

#### Problem 1972. Convert matrix to 3D array of triangular matrices

Created by: Matthew Eicholtz

2

52

#### Problem 3094. Hankelize a matrix

Created by: Peng Liu

2

52

1 – 19 of 19