1. Dr. Mubashir Alam King Saud University

2. Outline Systems of Linear Equations (6.1) Matrix Arithmetic (6.2) Arithmetic Operations (6.2.1) Elementary Row Operations (6.2.2) The Matrix Inverse (6.2.3) Matrix Algebra Rules (6.2.4) Solvability Theory of Linear Systems (6.2.5)

5. Matrix: (n x n) Known Vector: (n x 1) Known Vector: (n x 1) Unknown

6. Square Matrix m=n Elements of matrix

14. If and only if det(A)≠ 0

15. Special Matrices Diagonal Matrix Upper Triangular Matrix Lower Triangular Matrix Symmetric Matrix

16. R1-R2 R2-R3

17. R1-R2R3-2R1

18. Matrix Algebra Rules Covered on Textbook: Page:256