Problems

1 – 19 of 19

Problem Title Likes Solvers Difficulty

Problem 2063. A matrix of extroverts

Created by: James

Tags extroverts, not enough narcissism

138

Problem 2178. Matrix multiplication across rows

Created by: Swapnali Gujar

Tags multiplication, matrix manipulation, basic matlab

211

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

Created by: Harish Maradana

Tags swap

620

Problem 2701. Go to the head of the class!

Created by: James

Tags matrix manipulation

Problem 2351. Replace Nonzero Numbers with 1

Created by: Vishal

Tags matrix

219

Problem 1421. subtract central cross

Created by: Marco Castelli

Tags empty

286

Problem 1853. Enlarge array

Created by: Matthew Eicholtz

Tags matrix manipulation

165

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

Created by: James

Tags matrix manipulation, shifting

Problem 1422. frame of the matrix

Created by: Marco Castelli

Tags frame

651

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

Created by: Selvaraaju Murugesan

Tags matrix, basic matlab

196

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

537

Problem 1898. Too Many Zeros, Dump Them!

Created by: Mineralter

Tags easy, unuseful zero, simplify

143

Problem 42501. Toeplitize a matrix

Created by: Peng Liu

Tags toeplitz matrix, hankel matrix

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

Problem 1167. matrix zigzag

Created by: trekker

Tags matrix conversion, compression.

150

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

Created by: Ned Gulley

Tags matrices

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

Created by: Matthew Eicholtz

Tags matlab, matrix manipulation, logical indexing

Problem 3075. Matrix of Multiplication Facts

Created by: James

Tags matrix, factors, elementary_school_math

1 – 19 of 19

Trial software

Difficulty Rating

Problem Groups

Problems

Problem 2063. A matrix of extroverts

Problem 2178. Matrix multiplication across rows

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

Problem 2701. Go to the head of the class!

Problem 2351. Replace Nonzero Numbers with 1

Problem 1421. subtract central cross

Problem 1853. Enlarge array

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

Problem 1422. frame of the matrix

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

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

Problem 1898. Too Many Zeros, Dump Them!

Problem 42501. Toeplitize a matrix

Problem 2442. Magnet and Iron

Problem 3094. Hankelize a matrix

Problem 1167. matrix zigzag

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

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

Problem 3075. Matrix of Multiplication Facts