Linear Algebra · Week 4 of 13
Week 4
Four lectures, one recitation and a problem sheet. Book sections 3.2 to 3.5.
- L13 Linear transformations of Rn
- L14 Matrix multiplication
- L15 Matrix algebra
- L16 Inverse matrices
- R4 Recitation 4Problem Sheet 4, worked through
Topics
- Lecture 13
- Linearity, standard matrix, rotations, shears, projections, reflections
- Lecture 14
- Product as composition, rules, non-commutativity
- Lecture 15
- Transpose, symmetric, triangular and block matrices, trace
- Lecture 16
- Invertibility, Gauss–Jordan inversion