MA107 Quantitative methods. Review on linear algebra for students of management, business, social sciences
Solving a system of linear equations Ax = b
Row view, and column view of Ax = b
3 important matrices: identity, square, inverse of a square matrix
Solving Ax=b using augmented matrix and Gaussian elimination
Finding the inverse of square matrix A
Input-output model: x= Ax + d. Writing down the technology matrix A.