Mathematics Education Matrices lesson 5 – the identity matrix By Magic Monk on Wednesday, June 26, 2019 In this lesson we introduce you to the definition of identity matrix I, such that when it is multiplied by another matrix A, AI=A and IA=A. education mathematics steemiteducation steemstem Previous Post Next Post Related Posts Mathematics Education Vector applications question – Elastic collision, momentum, and kinetic energy Mathematics Education Vectors lesson 21 – Basic vector operations in Geogebra Mathematics Education Vectors lesson 20 – drawing vectors in Geogebra