Cody

Trial software

Problems

1 – 50 of 222

Problem Title Likes Solvers

Maximum value in a matrix

Created by: Gnaneswar Nadh satapathi

Tags matrix, basic matlab, matlab 101

1

1279

Find the sum of the elements in the "second" diagonal

Created by: Roy Fahn

Tags matrix, sum, basic matlab

2

849

Find max

Created by: Marco

Tags find, max, vector

2

722

Rotate a Matrix by 90 degrees

Created by: Reza Ahmadzadeh

Tags matrix, basic matlab, basics

1

596

Remove NaN ?

Created by: Julio

Tags matrix, logical

5

574

Determine Whether an array is empty

Created by: Yudong Zhang

Tags determine, empty, matrix

0

543

Omit columns averages from a matrix

Created by: Roy Fahn

Tags columns, matrix

1

473

First non-zero element in each column

Created by: Julio

Tags matrix, poor_test_suite

0

425

Determine the number of odd integers in a vector

Created by: Jeremy

Tags even, vector, matrix

1

303

"mirror" matrix

Created by: Grzegorz Knor

Tags matrix manipulation, matrix

0

287

Remove the first, third and fifth rows of a matrix

Created by: Shaul Salomon

Tags 22105, matrix, basics

2

260

Create matrix of replicated elements

Created by: Jeremy

Tags matlab, easy, matrix

0

254

Find the dimensions of a matrix

Created by: Debopam

Tags dimensions, matrix, columns

0

250

Sum of the Matrix Elements

Created by: RA

Tags addition, community, matrix

0

250

Basics: 'Find the eigenvalues of given matrix

Created by: Harish Maradana

Tags matrix, poor_test_suite

1

244

Reverse a matrix

Created by: Debopam

Tags matrix, reversal, basic matlab

0

235

Find out sum of all elements of given Matrix

Created by: Pritesh Shah

Tags matrix, basic matlab

1

231

Create a Multiplication table matrix...

Created by: Pranav

Tags matrix, table

1

207

Set some matrix elements to zero

Created by: Aurelien Queffurust

Tags indexing, matrix

1

206

Compare two input matrices

Created by: Dimitrios

Tags easy, matrix, basic matlab

0

200

intersection of matrices

Created by: Richard

Tags matrix, poor_problem_statement

1

193

Determine the mean of matrix

Created by: Pritesh Shah

Tags matrix

1

192

Matrix which contains the values of an other matrix A at the given locations.

Created by: Julio

Tags matrix, vectors

0

188

Permute diagonal and antidiagonal

Created by: Jean-Marie Sainthillier

Tags matrix, diag

5

166

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

Created by: Manish Joshi

Tags function, matrix, square

0

166

Create incrementing array

Created by: Ashutosh datar

Tags array, matrix, exponential

0

161

Back to Basics - Find no. of elements in a matrix?

Created by: Manish Joshi

Tags basic matlab, matrix, easy

0

151

Generate a random matrix A of (1,-1)

Created by: Alex P.

Tags random, matrix, +-1

1

150

Sum the 'edge' values of a matrix

Created by: Dimitrios

Tags sum, matrix, easy

1

149

Transpose of matrix

Created by: Pritesh Shah

Tags matrix, meaningless problem

1

143

Sum the elements in either diagonal of a square matrix

Created by: Tom Holz

Tags matrix, basic matlab, diagonal

0

139

Column norms of a matrix

Created by: Federico

Tags matrix, norm, linear algebra

0

135

Rotate Matrix @180 degree

Created by: Pritesh Shah

Tags matrix manipulation, matrix

1

134

Find out total non zero element of matrix

Created by: Pritesh Shah

Tags matrix, basic matlab

0

130

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

Created by: Daniel Pereira

Tags matrix, fill, sparse

0

128

Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4

Created by: Julio

Tags matrix, poor_test_suite

1

122

Find the index of n in magic(n)

Created by: Koteswar Rao Jerripothula

Tags matrix, magic

2

121

Matrix of almost all zeros, except for main diagonal

Created by: AM

Tags matrix, zeros

1

118

Create an anti-identity matrix

Created by: Pritesh Shah

Tags matrix, basic matlab

0

113

Create a matrix X, where each column is a shifted copy of the vector v

Created by: Julio

Tags matrix

0

105

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

0

105

Solve Linear equations

Created by: Pritesh Shah

Tags matrix

2

104

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

0

103

Palindrome Check

Created by: Debopam

Tags palindrome, matrix, basic matlab

0

102

Tiling a matrix

Created by: Ashutosh datar

Tags repmat, matrix, concat

0

99

Create logical matrix with a specific row and column sums

Created by: Amro

Tags matrix, logical, sum

6

96

Remove entire row and column in the matrix containing the input values

Created by: Selvaraaju Murugesan

Tags basic matlab, matrix

0

94

Replace Nonzero Numbers with 1

Created by: Vishal

Tags matrix

0

94

Matrix with different incremental runs

Created by: Julio

Tags matrix, logical

1

91

Rotate matrix by -90 degrees

Created by: Jamil Kasan

Tags matrix, matrix manipulation, basics

8

91

1 – 50 of 222

Trial software