Problem 44687. basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix

a =

     1     2     3     4
     5     6     7     8
     8    10    12    -2
    -1    -3    -5    -7

20

Solution Comments

Problem Recent Solvers61

Suggested Problems

• Back to basics 15 - Benchmark

  342 Solvers

• Find the logic

  300 Solvers

• Negative Infinity

  338 Solvers

• Sum the 'edge' values of a matrix

  393 Solvers

• Draw 'I'

  913 Solvers

More from this Author29

• function to compute root mean square of first nn positive odd integers

  57 Solvers

• Return median of a matrix

  71 Solvers

• Basic Quadratic Equation

  87 Solvers

• Remove white spaces at the end of the input string

  54 Solvers

• Basics: counting digits of a number irrespective of the sign

  69 Solvers