Problems

1 – 19 of 19

Problem Title Likes Solvers Difficulty

Problem 1321. Given a matrix, swap the 2nd & 3rd columns

Created by: Harish Maradana

Tags swap

923

Problem 2178. Matrix multiplication across rows

Created by: Swapnali Gujar

Tags multiplication, matrix manipulation, basic matlab

282

Problem 2063. A matrix of extroverts

Created by: James

Tags extroverts, not enough narcissism

190

Problem 2701. Go to the head of the class!

Created by: James

Tags matrix manipulation

113

Problem 1421. subtract central cross

Created by: Marco Castelli

Tags empty

443

Problem 2351. Replace Nonzero Numbers with 1

Created by: Vishal

Tags matrix

345

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

Created by: James

Tags matrix manipulation, shifting

116

Problem 1422. frame of the matrix

Created by: Marco Castelli

Tags frame

785

Problem 1853. Enlarge array

Created by: Matthew Eicholtz

Tags matrix manipulation

221

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

588

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

Created by: Selvaraaju Murugesan

Tags matrix, basic matlab

284

Problem 1898. Too Many Zeros, Dump Them!

Created by: Mineralter

Tags easy, unuseful zero, simplify

206

Problem 42501. Toeplitize a matrix

Created by: Peng Liu

Tags toeplitz matrix, hankel matrix

101

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

Created by: Matthew Eicholtz

Tags matlab, matrix manipulation, logical indexing

Problem 2442. Magnet and Iron

Created by: rifat

Tags matrix manipulation

Problem 3094. Hankelize a matrix

Created by: Peng Liu

Tags toeplitz matrix, hankel matrix

115

Problem 3075. Matrix of Multiplication Facts

Created by: James

Tags matrix, factors, elementary_school_math

Problem 1167. matrix zigzag

Created by: trekker

Tags matrix conversion, compression.

237

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

Created by: Ned Gulley

Tags matrices

1 – 19 of 19

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Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 1321. Given a matrix, swap the 2nd & 3rd columns

Problem 2178. Matrix multiplication across rows

Problem 2063. A matrix of extroverts

Problem 2701. Go to the head of the class!

Problem 1421. subtract central cross

Problem 2351. Replace Nonzero Numbers with 1

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

Problem 1422. frame of the matrix

Problem 1853. Enlarge array

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

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

Problem 1898. Too Many Zeros, Dump Them!

Problem 42501. Toeplitize a matrix

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

Problem 2442. Magnet and Iron

Problem 3094. Hankelize a matrix

Problem 3075. Matrix of Multiplication Facts

Problem 1167. matrix zigzag

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