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 Solvers62

Suggested Problems

• Sum all integers from 1 to 2^n

  17815 Solvers

• Basics: 'Find the eigenvalues of given matrix

  439 Solvers

• Sum of first n positive integers

  624 Solvers

• Reverse a matrix

  556 Solvers

• Remove the positive integers.

  270 Solvers

More from this Author29

• Dial Up

  35 Solvers

• Find NaNs in the matrix

  87 Solvers

• Product of all elements in an array

  94 Solvers

• Check for keywords

  61 Solvers

• Return median of a matrix

  73 Solvers