Problems

1 – 50 of 235

Problem Title Likes Solvers

Problem 1702. Maximum value in a matrix

Created by: Gnaneswar Nadh satapathi

Tags matrix, basic matlab, matlab 101

2560

Problem 1107. Find max

Created by: Marco

Tags find, max, vector

1390

Problem 314. Find the sum of the elements in the "second" diagonal

Created by: Roy Fahn

Tags matrix, sum, basic matlab

900

Problem 300. Remove NaN ?

Created by: Julio

Tags matrix, logical

645

Problem 719. Rotate a Matrix by 90 degrees

Created by: Reza Ahmadzadeh

Tags matrix, basic matlab, basics

644

Problem 625. Determine Whether an array is empty

Created by: Yudong Zhang

Tags determine, empty, matrix

568

Problem 307. First non-zero element in each column

Created by: Julio

Tags matrix, poor_test_suite

489

Problem 180. Omit columns averages from a matrix

Created by: Roy Fahn

Tags columns, matrix

487

Problem 943. "mirror" matrix

Created by: Grzegorz Knor

Tags matrix manipulation, matrix

338

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

Created by: Jeremy

Tags even, vector, matrix

334

Problem 44415. Remove the first, third and fifth rows of a matrix

Created by: Shaul Salomon

Tags 22105, matrix, basics

308

Problem 2558. Find out sum of all elements of given Matrix

Created by: Pritesh Shah

Tags matrix, basic matlab

278

Problem 2287. Find the dimensions of a matrix

Created by: Debopam

Tags dimensions, matrix, columns

275

Problem 2353. Sum of the Matrix Elements

Created by: RA

Tags addition, community, matrix

270

Problem 1258. Create matrix of replicated elements

Created by: Jeremy

Tags matlab, easy, matrix

268

Problem 2285. Reverse a matrix

Created by: Debopam

Tags matrix, reversal, basic matlab

265

Problem 1050. Basics: 'Find the eigenvalues of given matrix

Created by: Harish Maradana

Tags matrix, poor_test_suite

262

Problem 924. intersection of matrices

Created by: Richard

Tags matrix, poor_problem_statement

245

Problem 42458. Determine the mean of matrix

Created by: Pritesh Shah

Tags matrix

243

Problem 42320. 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

243

Problem 792. Set some matrix elements to zero

Created by: Aurelien Queffurust

Tags indexing, matrix

242

Problem 1053. Create a Multiplication table matrix...

Created by: Pranav

Tags matrix, table

234

Problem 42876. Rotate Matrix @180 degree

Created by: Pritesh Shah

Tags matrix manipulation, matrix

230

Problem 42892. Transpose of matrix

Created by: Pritesh Shah

Tags matrix, meaningless problem

226

Problem 2241. Compare two input matrices

Created by: Dimitrios

Tags easy, matrix, basic matlab

213

Problem 762. Matrix which contains the values of an other matrix A at the given locations.

Created by: Julio

Tags matrix, vectors

196

Problem 858. Permute diagonal and antidiagonal

Created by: Jean-Marie Sainthillier

Tags matrix, diag

186

Problem 389. Column norms of a matrix

Created by: Federico

Tags matrix, norm, linear algebra

177

Problem 1762. Create incrementing array

Created by: Ashutosh datar

Tags array, matrix, exponential

172

Problem 1227. Generate a random matrix A of (1,-1)

Created by: Alex P.

Tags random, matrix, +-1

168

Problem 42640. Back to Basics - Find no. of elements in a matrix?

Created by: Manish Joshi

Tags basic matlab, matrix, easy

166

Problem 2240. Sum the 'edge' values of a matrix

Created by: Dimitrios

Tags sum, matrix, easy

155

Problem 2519. Find out total non zero element of matrix

Created by: Pritesh Shah

Tags matrix, basic matlab

150

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

Created by: Tom Holz

Tags matrix, basic matlab, diagonal

146

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

Created by: Daniel Pereira

Tags matrix, fill, sparse

145

Problem 2145. Find the index of n in magic(n)

Created by: Koteswar Rao Jerripothula

Tags matrix, magic

131

Problem 42691. Matrix of almost all zeros, except for main diagonal

Created by: AM

Tags matrix, zeros

128

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

Created by: Selvaraaju Murugesan

Tags basic matlab, matrix

125

Problem 2590. Create an anti-identity matrix

Created by: Pritesh Shah

Tags matrix, basic matlab

124

Problem 774. 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

123

Problem 2621. Solve Linear equations

Created by: Pritesh Shah

Tags matrix

121

Problem 761. Create a matrix X, where each column is a shifted copy of the vector v

Created by: Julio

Tags matrix

120

Problem 2351. Replace Nonzero Numbers with 1

Created by: Vishal

Tags matrix

116

Problem 44652. Draw a 'X'!

Created by: Majid Farzaneh

Tags x, draw, matrix

115

Problem 885. Create logical matrix with a specific row and column sums

Created by: Amro

Tags matrix, logical, sum

114

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

113

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

112

Problem 44685. Draw 'B'

Created by: Majid Farzaneh

Tags b, draw, matrix

107

Problem 44672. Draw 'C'.

Created by: Majid Farzaneh

Tags c, draw, matrix

107

Problem 44681. Draw 'H'

Created by: Majid Farzaneh

Tags h, draw, matrix

106

1 – 50 of 235

Trial software

Problem Groups $(function () { $('[data-toggle="popover"]').popover() })

Problems

Problem Groups