Cody

# Problems

1 – 50 of 105
 Problem Title Likes Solvers

#### 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

0

106

#### Matrix with different incremental runs

Created by: Julio

Tags matrix, logical

1

91

#### Spiral Matrix

Created by: Sumit Agrawal

Tags matrix, spiral

1

66

#### Nilpotent matrix

Created by: Grzegorz Knor

Tags matrix

0

65

#### Diagonal & Anti-Diagonal Matrix: Easy

Created by: Suman Saha

Tags easy, matrix

0

63

#### interesting center of magic matrix

Created by: Koteswar Rao Jerripothula

Tags matrix

0

62

#### Complex transpose

Created by: Swapnali Gujar

0

60

#### ~~~~~~~ WAVE ~~~~~~~~~

Created by: Suman Saha

Tags math, matrix, fun

1

59

#### find a specific element from an matrix

Created by: SUBROTA HALDER

Tags matrix

0

57

#### Wind outward from the center ...

Created by: Aurelien Queffurust

Tags matrix

0

54

#### Initialize a Natural Number matrix.

Created by: Salman Shaikh

Tags matrix, basics

0

52

#### Calculate the number of elements in a matrix.

Created by: huashou

Tags matrix, basics

1

52

#### Flipping a Matrix

Created by: JINWOO LEE

Tags matrix

0

51

#### Matrix multiplication

Created by: Brian

0

51

#### Sum positive elements of matrix.

Created by: Andriy Kavetsky

1

48

#### Replace Negative(-) by 0 and positive by 1

Created by: Chetan Bhavsar

0

48

#### row removal

Created by: Vidushi Jain

Tags matrix

0

43

#### Determinant of a 3x3 Matrix

Created by: Jamil Kasan

10

43

#### Orthonormal matrix

Created by: Abdullah Caliskan

Tags matrix

1

42

#### Repeat The Components of Matrix

Created by: Vishal

Tags matrix

0

42

#### Matrix Max Finder

Created by: Brian

Tags matrix, max, basics

0

42

#### Display positive elements of matrix.

Created by: Andriy Kavetsky

2

40

#### Matrix element wise multiplication

Created by: Brian

0

40

#### Select primes from the matrix.

Created by: Andriy Kavetsky

2

36

#### Replicate and Tile an Array

Created by: JINWOO LEE

Tags matrix

1

36

#### Find the sum of the negative elements under the main diagonal.

Created by: Sofiya Onyshkevych

3

35

#### Replace 0 indices in array with 1's

Created by: Brian

0

34

#### Matrix Ax=B problem

Created by: Brian

0

34

#### Encode Me From The Past

Created by: Jamil Kasan

8

33

#### Concatenate matrix into 4 quadrants for given number of iteration

Created by: Ashutosh datar

Tags matrix

0

33

#### Find the outcast

Created by: Jamil Kasan

8

33

#### Change the sign

Created by: Claudio Gelmi

0

33

#### Matrix Generation from Vector Multiplication

Created by: Brian

0

32

#### Print the largest eigenvalue of A(500)

Created by: Gentian Zavalani

0

32

#### Min by mean

Created by: Jose Fernandez

1

31

#### It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().

Created by: Jeremy

0

30

#### Calculate the sum of elements of n*n Hilbert matrix.

Created by: Andriy Kavetsky

Tags matrix

0

30

#### Remove all the columns contains only zero

Created by: Stalin Samuel

0

29

#### Modified run-length companion vector

Created by: Jamil Kasan

8

28

#### Determinants

Created by: Jack Knoll

0

28

#### Refresh your system of equations

Created by: Jamil Kasan

4

28

#### concatenate the elements

Created by: Zakaria Makhlouki

0

28

#### Find the index of the lowest number in a matrix

Created by: Brian

0

27

#### Combined Ages 1 - Symmetric, n = 3

Created by: goc3

Tags riddle, age, sum

0

26

#### Sum of diagonals

Created by: Shreyash Singh

Tags matrix

0

26

#### BULLSEYE Part 3: Reference Problem 18 BULLSEYE

Created by: Suman Saha

Tags matrix

0

25

#### Second Diagonal

Created by: Aakash Deep

Tags matrix

0

25

#### sparse_matrix

Created by: Abdullah Caliskan

Tags matrix

0

25

#### Reverse the Matrix

Created by: Suraj Gurav

0

25

#### Avengers Assemble!

Created by: Jamil Kasan

0

25

1 – 50 of 105