Problems

1 – 50 of 130

Problem Title Likes Solvers Difficulty

Problem 45489. Top layer of a 3D pyramid

Created by: Fazlul Haque

Tags geometry, matrix, 3d

Problem 45491. cross-section of 3D pyramid

Created by: Fazlul Haque

Tags geometry, matrix, 3d

Problem 45221. cofactor matrix

Created by: Asif Newaz

Tags matrix, cofactor

Problem 44666. Draw 'O' !

Created by: Majid Farzaneh

Tags matrix, o, draw

600

Problem 42697. sparse_matrix

Created by: Abdullah Caliskan

Tags matrix

Problem 46621. One-hot encoding

Created by: Asif Newaz

Tags matrix

Problem 44672. Draw 'C'.

Created by: Majid Farzaneh

Tags matrix, c, draw

756

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

Created by: Anirban Pal

Tags matrix

Problem 44679. Draw 'E'

Created by: Majid Farzaneh

Tags matrix, e, draw

768

Problem 44681. Draw 'H'

Created by: Majid Farzaneh

Tags matrix, draw, h

782

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

Created by: Tom Holz

Tags matrix, basic matlab, diagonal

195

Problem 2781. Rule of mixtures (composites) - reverse engineering

Created by: goc3

Tags matrix, materials, composites

Problem 43027. Gaussian elimination

Created by: Jamil Kasan

Tags matrix manipulation, matrix

Problem 43193. Where is 1?

Created by: Jang geun Choi

Tags matlab, find, matrix

Problem 44477. Find left eigenvector of row stochastic matrix

Created by: Martin C.

Tags random, matrix, eigenvalue

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

Created by: Jamil Kasan

Tags matrix, basic matlab, basics

Problem 44686. Draw 'J'

Created by: Majid Farzaneh

Tags matrix, character, j

748

Problem 49622. Matrix Pattern 7

Created by: Doddy Kastanya

Tags easy, matrix, pattern

Problem 42646. Matrix FUN

Created by: Manish Joshi

Tags math, matlab 101, easy

140

Problem 2799. Multiply Column

Created by: Abdullah Caliskan

Tags matrix, basic matlab

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

Tags matrix, basic matlab

135

Problem 44680. Draw 'F'

Created by: Majid Farzaneh

Tags matrix, f, draw

659

Problem 42083. Ring Matrix

Created by: Mayuri Patil

Tags matrix, odd, ring

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

139

Problem 2130. Orthonormal matrix

Created by: Abdullah Caliskan

Tags matrix

137

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

Tags matrix manipulation, matrix, 日本語

195

Problem 3073. Projector Matrix

Created by: goc3

Tags matrix, projector, idempotent

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

Created by: Riccardo Dessì

Tags math, basic, matlab

Problem 51287. Square Patterns in a square matrix

Created by: Sumi Suresh

Tags matrix

Problem 45177. Summing Rows and Columns

Created by: Asif Newaz

Tags matrix

Problem 43026. Determinant of a 3x3 Matrix

Created by: Jamil Kasan

Tags matrix, determinant

Problem 44673. Draw 'D'.

Created by: Majid Farzaneh

Tags matrix, d, draw

660

Problem 2144. interesting center of magic matrix

Created by: Koteswar Rao Jerripothula

Tags matrix

Problem 44854. Alternating 1´s and 0´s in a matrix

Created by: Jesús Zambrano

Tags matrices, matrix manipulation, matrix

Problem 54119. Create the Ulam spiral

Created by: Hugo

Tags prime, matrix

Problem 49673. Rotate matrix by coloumns

Created by: Sibi

Tags matrix

Problem 42876. Rotate Matrix @180 degree

Created by: Pritesh Shah

Tags matrix manipulation, matrix

687

Problem 49627. Matrix Pattern 8

Created by: Doddy Kastanya

Tags easy, matrix, pattern

Problem 1229. Determine the number of odd integers in a vector

Created by: Jeremy

Tags matlab, vector, matrix

553

Problem 44656. Draw a 'N'!

Created by: Majid Farzaneh

Tags matrix, draw, n

776

Problem 1636. ZigZag matrix with reflected format

Created by: Suman Saha

Tags matrix

145

Problem 44646. Draw a 'Z'.

Created by: Majid Farzaneh

Tags matrix, character, z

597

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

Created by: Daniel Pereira

Tags indexing, matrix, sparse

452

Problem 43072. Check if a rotated array was originally sorted

Created by: Mohammad Haghighat

Tags sorting, matrix manipulation, permutations

Problem 2351. Replace Nonzero Numbers with 1

Created by: Vishal

Tags matrix

281

Problem 44682. Numbers on 7-segment

Created by: Majid Farzaneh

Tags matrix, digits, 7-segment

Problem 42763. Fill the Matrix - 2

Created by: Mehmet OZC

Tags matrix manipulation, matrix

Problem 319. Biggest Value in the (Neighbor)Hood

Created by: Hans

Tags matrix, neighborhood operation

Problem 1725. Diagonal & Anti-Diagonal Matrix: Easy

Created by: Suman Saha

Tags easy, matrix

Problem 2177. Rainbow matrix

Created by: Simon

Tags matrix

113

1 – 50 of 130

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