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 Solvers63

Suggested Problems

• Select every other element of a vector

  36914 Solvers

• Insert zeros into vector

  902 Solvers

• Area of rhombus

  377 Solvers

• 2倍してみよう - ここからスタート！

  610 Solvers

• Divide by 4

  327 Solvers

More from this Author29

• Capitalized string operations

  52 Solvers

• convert the number to binary format & count digits

  58 Solvers

• Product of all elements in an array

  95 Solvers

• Percentage of zeros in a matrix of only 1s and 0s

  67 Solvers

• Check for keywords

  62 Solvers