Problems

1 – 50 of 146

Problem Title Likes Solvers Difficulty

Problem 1741. Numeric array to cell array of strings (easy)

Created by: Matthew Eicholtz

Tags indexing, strings, matrix manipulation

Problem 1368. Create an 8-color version of an image

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation, image processing

Problem 42776. "Power matrix" of two vectors

Created by: Gil Bor

Tags matrix manipulation

Problem 44739. Return all matrix elements except elements on diagonal

Created by: Suraj Gurav

Tags matrix manipulation, vector, matrix

Problem 44740. New Matrix with vector addition on diagonal

Created by: Suraj Gurav

Tags vectors, matrices, matrix manipulation

Problem 44821. Scalar Matrix Manipulation

Created by: Rafi Ahmed

Tags easy, matlab, matrix manipulation

Problem 42802. Rolling maximums above a threshold

Created by: James

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

Problem 2409. Find the Connecting Path

Created by: Nishat Savat

Tags matrix manipulation, reversi, othello

Problem 2045. Only once: cleaning up your columns

Created by: J-G van der Toorn

Tags matrix manipulation, logic array

Problem 43122. Upper Matrix Mock

Created by: Jamil Kasan

Tags matrices, matrix manipulation, matrix

Problem 2305. Reverse Concatenation

Created by: Ujjwal

Tags matrix manipulation

Problem 43558. Finding two missing number in 1 to n array

Created by: NMTri

Tags matrix manipulation, vector, basic matlab

Problem 43634. Find product of eigenvalues of n*n magic matrix.

Created by: Andriy Kavetsky

Tags matrix manipulation, poor_test_suite

Problem 44737. Get the combinations

Created by: Suraj Gurav

Tags vectors, matrix manipulation, array

Problem 44738. Reverse the Matrix

Created by: Suraj Gurav

Tags easy, matrix manipulation, matrix

Problem 2870. Print the largest eigenvalue of A(500)

Created by: Gentian Zavalani

Tags matrix manipulation, matrix, spam

Problem 43272. Implement zero-based indexing for Matrices

Created by: Jamil Kasan

Tags matrices, matrix manipulation, matrix

Problem 43682. Pairwise column flip

Created by: Alexander

Tags indexing, matrix manipulation, vectorization

Problem 45488. Height of a 3D Pyramid

Created by: Fazlul Haque

Tags matrix manipulation, geometry, matrix

Problem 42313. A quadrant matrix

Created by: Julio

Tags matrix manipulation

101

Problem 42858. Block average ignoring NaN values

Created by: Peng Liu

Tags matrix manipulation, nan, block average

Problem 43145. Rotate Matrix Depending on the input

Created by: Jamil Kasan

Tags matrix manipulation, matrix

Problem 43481. Modified Upper Matrix Mock

Created by: Jamil Kasan

Tags matrix manipulation, matrix

Problem 45502. Basic Operation with the middle number of odd matrix

Created by: Muhammad Usman

Tags matrices, matlab, matrix manipulation

Problem 48995. Double the next and alternate sign

Created by: Jesús Zambrano

Tags matrix manipulation, matrix, basic matlab

Problem 47879. Create co-occurrence matrix

Created by: Mehmet OZC

Tags matrix manipulation, market basket, co-occurrence matrix

Problem 2317. Distance of the centroids of the balls

Created by: Marco Castelli

Tags matlab, matrix manipulation

Problem 45173. Create the flag of Ramumbia

Created by: Kiran Ramsaroop

Tags matrices, matrix manipulation, matrix

Problem 43270. Rotate matrix by -90 degrees

Created by: Jamil Kasan

Tags matrix manipulation, matrix, basics

140

Problem 43012. Rotate array 90 degrees

Created by: Rani V.S

Tags matrix manipulation, basic matlab

116

Problem 1835. Matrix to column conversion

Created by: Swapnali Gujar

Tags indexing, matrix manipulation, basic matlab

286

Problem 1958. Add a row of zeros on top of a matrix

Created by: J-G van der Toorn

Tags matrix manipulation

205

Problem 2129. Sum of odd numbers in a matrix

Created by: Koteswar Rao Jerripothula

Tags matrix manipulation

338

Problem 44944. Convert from Fahrenheit to Celsius

Created by: Pooja Lalan

Tags matrix manipulation

9995

Problem 2516. Element by element multiplication of two vectors

Created by: Pritesh Shah

Tags matrix manipulation, basic matlab

293

357

Problem 2507. Delete 2nd and 5th column of Given 6*6 matrix

Created by: Pritesh Shah

Tags matrix manipulation

130

Problem 43607. Logical array indexing - part 1

Created by: Chaya N

Tags indexing, matrix manipulation, logical indexing

Problem 2178. Matrix multiplication across rows

Created by: Swapnali Gujar

Tags multiplication, matrix manipulation, basic matlab

202

Problem 43296. Refresh your system of equations

Created by: Jamil Kasan

Tags matrix manipulation, matrix, algebra

Problem 42335. Min by mean

Created by: Jose Fernandez

Tags matrix manipulation, vector, matrix

Problem 42480. Go back n times

Created by: Mehmet OZC

Tags matrix manipulation, nan

Problem 42630. Make visible max values

Created by: Mehmet OZC

Tags matrix manipulation, max

Problem 43079. Check if two matrices are permutations of each other

Created by: Mohammad Haghighat

Tags math, sorting, matrix manipulation

Problem 44973. Create a "+" flag

Created by: Kiran Ramsaroop

Tags matrices, matrix manipulation, matrix

Problem 44430. remove every row&col for every nan

Created by: jean claude

Tags matrix manipulation, nan

Problem 42646. Matrix FUN

Created by: Manish Joshi

Tags math, matlab 101, easy

135

1 – 50 of 146

Trial software

Difficulty Rating

Problem Groups

Problems