MEcon 503 Quantitative Economics 2025.06.21 Introduction to Matrices

Описание: This lecture provides a structured introduction to linear algebra, focusing on its relevance to economic analysis. Topics covered include:

Vectors: definitions, operations (addition, scalar multiplication, dot product), and economic interpretations
Matrices: structure, types (square, identity, diagonal, zero, transpose), and basic operations
Matrix operations: addition, scalar multiplication, and a detailed walkthrough of matrix multiplication
Practical applications and illustrative visuals to support conceptual understanding
Introductory discussion on matrix-based linear transformations and their role in solving linear systems