Cody

# Problems

1 – 50 of 234
 Problem Title Likes Solvers

4

2444

#### Problem 1107. Find max

Created by: Marco

Tags find, max, vector

2

1305

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

Created by: Roy Fahn

2

896

2

642

#### Problem 300. Remove NaN ?

Created by: Julio

Tags matrix, logical

6

642

#### Problem 625. Determine Whether an array is empty

Created by: Yudong Zhang

0

568

#### Problem 180. Omit columns averages from a matrix

Created by: Roy Fahn

Tags columns, matrix

1

486

#### Problem 307. First non-zero element in each column

Created by: Julio

0

485

#### Problem 943. "mirror" matrix

Created by: Grzegorz Knor

0

336

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

Created by: Jeremy

Tags even, vector, matrix

1

334

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

Created by: Shaul Salomon

2

306

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

Created by: Pritesh Shah

1

278

#### Problem 2287. Find the dimensions of a matrix

Created by: Debopam

0

273

Created by: RA

0

270

#### Problem 1258. Create matrix of replicated elements

Created by: Jeremy

Tags matlab, easy, matrix

0

268

#### Problem 2285. Reverse a matrix

Created by: Debopam

0

263

1

262

#### Problem 42458. Determine the mean of matrix

Created by: Pritesh Shah

Tags matrix

1

241

#### Problem 924. intersection of matrices

Created by: Richard

1

241

#### Problem 42320. Write a function man that takes a row vector v and returns a matrix H as follows..

Created by: Manish Joshi

0

239

#### Problem 792. Set some matrix elements to zero

Created by: Aurelien Queffurust

1

239

#### Problem 1053. Create a Multiplication table matrix...

Created by: Pranav

Tags matrix, table

1

231

#### Problem 42876. Rotate Matrix @180 degree

Created by: Pritesh Shah

1

228

#### Problem 42892. Transpose of matrix

Created by: Pritesh Shah

1

225

#### Problem 2241. Compare two input matrices

Created by: Dimitrios

0

213

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

Created by: Julio

Tags matrix, vectors

0

196

#### Problem 858. Permute diagonal and antidiagonal

Created by: Jean-Marie Sainthillier

Tags matrix, diag

5

184

#### Problem 389. Column norms of a matrix

Created by: Federico

1

171

#### Problem 1762. Create incrementing array

Created by: Ashutosh datar

0

170

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

Created by: Alex P.

Tags random, matrix, +-1

1

166

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

Created by: Manish Joshi

0

166

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

Created by: Dimitrios

Tags sum, matrix, easy

1

155

#### Problem 2519. Find out total non zero element of matrix

Created by: Pritesh Shah

0

149

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

Created by: Tom Holz

0

145

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

Created by: Daniel Pereira

Tags matrix, fill, sparse

1

144

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

Created by: Koteswar Rao Jerripothula

Tags matrix, magic

2

130

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

Created by: AM

Tags matrix, zeros

1

126

#### 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

0

123

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

Created by: Selvaraaju Murugesan

0

123

#### Problem 2590. Create an anti-identity matrix

Created by: Pritesh Shah

0

121

#### Problem 2621. Solve Linear equations

Created by: Pritesh Shah

Tags matrix

2

120

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

Created by: Julio

Tags matrix

0

117

#### Problem 44652. Draw a 'X'!

Created by: Majid Farzaneh

Tags x, draw, matrix

1

113

#### Problem 2351. Replace Nonzero Numbers with 1

Created by: Vishal

Tags matrix

0

113

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

Created by: Amro

Tags matrix, logical, sum

9

113

#### 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

0

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

0

111

#### Problem 44681. Draw 'H'

Created by: Majid Farzaneh

Tags h, draw, matrix

0

104

#### Problem 2276. Palindrome Check

Created by: Debopam

0

103

#### Problem 44672. Draw 'C'.

Created by: Majid Farzaneh

Tags c, draw, matrix

0

103

1 – 50 of 234