Dr. Mubashir Alam King Saud University
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)
Matrix: (n x n) Known Vector: (n x 1) Known Vector: (n x 1) Unknown
Square Matrix m=n Elements of matrix
If and only if det(A)≠ 0
Special Matrices Diagonal Matrix Upper Triangular Matrix Lower Triangular Matrix Symmetric Matrix
R1-R2 R2-R3
R1-R2R3-2R1
Matrix Algebra Rules Covered on Textbook: Page:256