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

• Omit columns averages from a matrix

  620 Solvers

• Back to basics 25 - Valid variable names

  338 Solvers

• 01 - Scalar variables

  742 Solvers

• 05 - Vector Equations 1

  490 Solvers

• Find hen's weight.

  138 Solvers

More from this Author29

• Return median of a matrix

  73 Solvers

• Perimeter of a semicircle

  2166 Solvers

• Raise each element to the power of its index in a matrix

  53 Solvers

• ASCII sum of phrases

  50 Solvers

• Dial Up

  34 Solvers