Linear Algebra · Week 2 of 13

Week 2

Four lectures, one recitation and a problem sheet. Book sections 1.5 to 2.3.

  1. L5 Lines, planes and the cross product 18:04
  2. L6 Fields 17:31
  3. L7 Systems of linear equations 16:57
  4. L8 Gaussian elimination 17:20
  5. R2 Recitation 2Problem Sheet 2, worked through 30:19

Topics

Lecture 5
Parametric and normal forms, cross product in R3
Lecture 6
Field axioms; Q, R, C and the finite fields Zp
Lecture 7
Row picture vs column picture, augmented matrix
Lecture 8
Row operations, row echelon form, back substitution

This week's PDFs