MatrixHomework

The task of this project was to write the following methods without using the methods of the array class:

1. Add - Add a matrix.
2. SortDescending - Sort matrix in descending order.
3. SortAscending - Sort matrix in ascending order.
4. Inversion - Matrix inversion.
5. SearchPositive - Find the maximum positive number.
6. SearchNegative - Find the maximum negative number.
7. NumberOfNegative - Display the number of negative numbers in the matrix.
8. NumberOfPositive - Display the number of posotive numbers in the matrix.