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 Solvers1637

Suggested Problems

• Make the vector [1 2 3 4 5 6 7 8 9 10]

  52927 Solvers

• Rotate a Matrix

  720 Solvers

• Flag largest magnitude swings as they occur

  690 Solvers

• Is this triangle right-angled?

  6564 Solvers

• MATLAB Basic: rounding

  6333 Solvers

More from this Author1

• Replace May with April

  395 Solvers