MATH 33A

Linear Algebra and Applications

Mathematics · 4 units · Undergraduate lower division (0-99)

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Introduction to linear algebra: systems of linear equations, matrix algebra, linear independence, subspaces, bases and dimension, orthogonality, least-squares methods, determinants, eigenvalues and eigenvectors, matrix diagonalization, and symmetric matrices.

P/NP or letter grading.

When it runs

Fall 2025
Winter 2026
Spring 2026
Summer 2026
Fall 2026
Winter 2027
Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.

Checking the Schedule of Classes…

Requisites

Official UCLA wording
Enforced requisite: course 3B or 31B or 32A with grade of C– or better.

BruinTree reads · Prerequisite

confidence 1.00 · from text

grade C- or better in

one of

Requires

Everything that has to come before this course, not just the courses named in the requisite above.

MATH 33A

MATH 3BCalculus for Life Sciences Students
- MATH 3ACalculus for Life Sciences Students
  - MATH 1Precalculus
MATH 31BIntegration and Infinite Series
- MATH 31ADifferential and Integral Calculus

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

MATH 33A77 more beyond

MATH 42Introduction to Data-Driven Mathematical Modeling: Life, Universe, and Everything
- MATH 118Mathematical Methods of Data Theory1 more beyond
  - MATH M148Experience of Data Science
MATH 115ALinear Algebra40 more beyond
- MATH 103A