Problem 459. Sum of diagonal of a square matrix

 x = [1 2 4; 3 4 5; 5 6 7]

 y = 1 + 4 + 7 = 12

Solution Comments

Problem Recent Solvers1641

Suggested Problems

• The Goldbach Conjecture, Part 2

  2417 Solvers

• Get the area codes from a list of phone numbers

  1075 Solvers

• Create matrix of replicated elements

  398 Solvers

• Switch matrix to a column vector

  375 Solvers

• Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

  961 Solvers

More from this Author1

• Replace May with April

  396 Solvers