Welcome to Math 21!

Course Information

Course: Math 21
Instructor: Rob Laber
Email: rlaber@ucsc.edu
Meeting Days: MWF
Meeting Time: 9:00-11:30 am
Location: Physical Sciences 110

Office Hrs: MW 12-2pm
Office: McHenry 1292

TA: Rob Carman
TA Email: wcarman@ucsc.edu

TA Office Hours: TTh 1-3pm

TA Office: McHenry 1261

Section: MW 6-7:30 pm
Location: Engineering 2 room 194

Tentative Lecture Schedule: 
  • Week 1: Vectors, Matrices, Solving Systems of Linear Equations
  • Week 2: Real n-space, Span, Linear Independence, Subspaces and Bases
  • Week 3: Linear Transformations, Matrix Multiplication, Determinants,  Inverses
  • Week 4: Abstract Vector Spaces, Coordinate Vectors, Change of Basis, Abstract Linear Transformations, Rank-Nullity Theorem
  • Week 5: Eigenvectors, Eigenvalues, Characteristic Polynomial and Diagonalization

        * There is free tutoring available through                       Learning Support Services.  Sign up at

        * By popular request, I will post the solutions to            the quizzes.  Look under the "Quizzes" tab.                 
        * Final Review sheet has been posted.
           Look under "Homework" tab. 

        * There is no due date for HW 5.

        * Final review solutions are now posted under
           the "Homework" tab.