Recitation 5 · Week 5· 30:25

Problem Sheet 5, worked through

The marked problems of Sheet 5, solved step by step on screen. Try them first; the rest of the sheet is for practice on your own, with full written solutions. Covers Lectures 17 to 20.

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In this recitation

  1. Problem 5: the invertible matrix theorem
  2. Problem 6: LU factorisation
  3. Problem 7: null space and column space
  4. Problem 9: a basis of a plane
  5. Problem 10: two pictures
  6. Problem 11: true or false?
  7. Problem 12: column spaces and null spaces of a product
  8. Wrap-up

Materials