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MATH 2220 Linear Algebra

Welcome to MATH 2220: Linear Algebra, this Fall 2025!

For the most up-to-date content, please refresh the page at each visit!

Emergency Medical Services (EMS) at UML:

  • For All On-Campus Emergencies 978-934-4911 (ext. 44-911 from any campus land line)
  • For off campus emergencies, dial 911.

Class handouts and notes

Week 6 Tue and Thurs (Oc 7-9)

  • Thurs: Sec 4.6 Change of basis, Quiz 3
  • Tue: Sec 4.5 The dimension of a vector space, notes

Week 5 Tue and Thurs (Sep 30, Oct 2)

  • Thurs: Sec 4.4 Coordinate systems, notes
  • Tue: Sec 4.3 Linearly independent sets; bases, notes

Week 4 Tue and Thurs (Sep 23-25)

  • Thurs: Exam 1, see study guide on Blackboard
  • Tue: Sec 4.2 Null spaces, column spaces, row spaces, and kernel and range of linear maps, notes

Week 3 Tue and Thurs (Sep 16-18)

  • Thurs: Sec 4.1 Vector spaces and subspaces, slides/handout and notes
    • My lecture videos on Vector spaces and subspaces from a past online linear algebra course: video part a and video part b
  • Tue: Sec 2.2 The inverse of a matrix and 2.3 The invertible matrix theorem, notes, Quiz 2

Week 2 Tue and Thurs (Sep 9-11)

  • Thurs: Sec 1.9 The matrix of a linear transformation, handout and notes, Quiz 1
  • Tue: Sec 1.8 Introduction to linear transformation, notes

Week 1 Thurs (Sep 4)