Using Basic C Write 2 Separate Codes Assignment 1 Sum Major Diagonal Matrix Write Method S Q37155301

Using basic c++, write 2 separate codes for the assignment

1. (Sum the major diagonal in a matrix) Write a method that sumsall the num in the major diagonal in an n X n matrix of doublevalues using the following header:

public static double sumMajorDiagonal (double [ ] [ ] m)

Write a test program that reads a 4-by-4 matrix and displays thesum of elements on the major diagonal. Here is a sample run:
Enter a 4-by-4 matrix row by row:
1 2 3 4.0 *ENTER*
5 6.5 7 8 *ENTER*
9 10 11 12 *ENTER*
13 14 15 16 *ENTER*
Sum of the elements in the major diagonal

OR

 

OR