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 Solvers60

Suggested Problems

• Select every other element of a vector

  35189 Solvers

• Sum of diagonal of a square matrix

  1605 Solvers

• Find a Pythagorean triple

  4919 Solvers

• Area of a triangle

  946 Solvers

• Are you in XY plane?

  178 Solvers

More from this Author29

• Find NaNs in the matrix

  78 Solvers

• Substring Extraction

  30 Solvers

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

  64 Solvers

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

  51 Solvers

• convert the number to binary format & count digits

  54 Solvers