Cody

# Problems

1 – 15 of 15
 Problem Title Likes Solvers Difficulty

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

Created by: Federico

4

297

#### Problem 446. Solve the set of simultaneous linear equations

Created by: Bruce Raine

2

288

#### Problem 451. Is this matrix orthogonal?

Created by: Bruce Raine

Tags orthogonal

2

268

Created by: Tom

2

214

#### Problem 42988. Linear system of equations

Created by: Abhishek Jain

Tags equations

13

167

#### Problem 615. Nilpotent matrix

Created by: Grzegorz Knor

Tags matrix

0

132

#### Problem 42382. Combined Ages 1 - Symmetric, n = 3

Created by: goc3

Tags matrix, sum, linear

1

119

#### Problem 2130. Orthonormal matrix

Created by: Abdullah Caliskan

Tags matrix

1

110

#### Problem 42384. Combined Ages 2 - Symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

2

76

Created by: goc3

1

74

#### Problem 44509. Determine if input is a valid AHP evaluation matrix

Created by: Mehmet OZC

Tags logical, check

1

55

#### Problem 258. linear least squares fitting

Created by: Tomasz

2

50

#### Problem 42383. Combined Ages 3 - Non-symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

4

46

#### Problem 42385. Combined Ages 4 - Non-symmetric with multiples, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

1

44

#### Problem 44258. Outer product of multiple vectors

Created by: Andrew Newell

0

41

1 – 15 of 15