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

• Replace NaNs with the number that appears to its left in the row.

  3062 Solvers

• Back to basics 4 - Search Path

  380 Solvers

• Determine Whether an array is empty

  810 Solvers

• Rotate Matrix @180 degree

  2005 Solvers

• Basic commands - amount of inputs

  187 Solvers

More from this Author29

• find number of times of occurrence of the most frequent number in a row vector

  65 Solvers

• Check for keywords

  60 Solvers

• Substring Extraction

  31 Solvers

• Basic Quadratic Equation

  91 Solvers

• Sum of unique multiples of 3 and 5

  60 Solvers