**Basic Matrix Operations – Dimension, Addition/Subtraction, Scalar Multiplication, Transpose etc.**

**Video on What is a Matrix? (mathcentre)****Video on Symmetric Matrices & Transpose (mathcentre)****Video on Addition, Subtraction & Scalar Multiplication (mathcentre)****Videos on Basic Matrix Operations – Dimension, Scalar Multiplication, Addition & Subtraction, Transpose (Khan Academy)****Videos on Basic Matrix Operations – Scalar Multiplication, Addition & Subtraction (Patrick JMT)**

**Matrix Multiplication**

**Video on Addition, Subtraction, Scalar Multiplication & Matrix Multiplication (Ted.com)****Notes on Matrix Multiplication (University of Wisconsin Whitewater)****Videos on Matrix Multiplication (Khan Academy)****Video on Matrix Multiplication -I (Patrick JMT)****Video on Matrix Multiplication – II (Patrick JMT)****Video on Matrix Multiplication – I (mathcentre)****Video on More Matrix Multiplication – II (mathcentre)**

**Determinants & Inverses**

**Video on the Determinant of a 2×2 Matrix (Patrick JMT)****Video on The Determinant of a 2×2 Matrix (mathcentre)****Video on The Inverse of a 2×2 Matrix (mathcentre)****Videos on Determinants and Transposes of Matrices (Khan Academy)**

**Row Reduction**

**Videos on Row Reduction & Reduced Row Echelon Form (Khan Academy)****Video on Row Reduction – I (Patrick JMT)****Video on Row Reduction – II (Patrick JMT)****Notes on Row Reduction (Gauss-Jordan Elimination) (Paul’s Online Notes)****Notes on Row Reduction (Paul’s Online Notes)****Video on Gauss-Jordan Elimination – I (Patrick JMT)****Video on Gauss-Jordan Elimination – II (Patrick JMT)****Video on Solving Simultaneous Equations using Matrices (mathcentre)****Video on getting a Matrix into Row Echelon Form (MySecretMathTutor)****Video on Row Reduction – Row Echelon Form (MySecretMathTutor)****Notes on Row Reduction – Reduced Row Echelon Form (University of Wisconsin Whitewater)****Notes on Row Reduction – Reduced Row Echelon Form – Fewer Equations than Variables (University of Wisconsin Whitewater)****Notes on Row Reduction – Reduced Row Echelon Form – Fewer Variables than Equations (University of Wisconsin Whitewater)**

** Return to Introduction to Linear Algebra **