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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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MATH 33ALinear 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

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
    • MATH 3B
    • MATH 31B
    • MATH 32A

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About MATH 33A. We read UCLA’s requisite wording by machine, and it gets things wrong.

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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
      • MATH 1Precalculusanother path to it
  • MATH 32ACalculus of Several Variables
    • MATH 31ADifferential and Integral Calculusanother path to it

3 direct requisites. The whole upstream is here — 8 courses over 3 levels. Every course here opens its own tree.

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 103AMathematics and Pedagogy for Teaching Middle School Mathematics
      • MATH 103BObservation and Participation: Mathematics Instruction1 more beyond
    • MATH 110AAlgebra12 more beyond
    • A&O SCI C111Introduction to Machine Learning for Physical Sciences
    • MATH 115BLinear Algebra2 more beyond
    • MATH 116Mathematical Cryptology
    • BIOMATH M207ATheoretical Genetic Modeling
    • MATH 117Algebra for Applications2 more beyond
    • MATH 118Mathematical Methods of Data Theoryanother path to it
  • BIOENGR 122Introduction to Medical Imaging
  • MATH 115AHLinear Algebra (Honors)
    • MATH 151BHNumerical Analysis Part 2 (Honors)
  • MATH 133Introduction to Fourier Analysis
  • BIOSTAT 216Mathematical Methods for Biostatistics
  • MATH 135Ordinary Differential Equations
    • MATH 266AApplied Ordinary Differential Equations6 more beyond
  • MATH 136Partial Differential Equations
  • C&EE M20Introduction to Computer Programming with MATLAB9 more beyond
    • COM SCI M184Introduction to Computational and Systems Biology
    • EC ENGR 133AApplied Numerical Computing3 more beyond
    • EPS SCI 136AApplied Geophysics2 more beyond
    • MECH&AE 131AIntermediate Heat Transfer2 more beyond
    • BIOENGR 175Machine Learning and Data-Driven Modeling in Bioengineering
    • C&EE 103Applied Numerical Computing and Modeling in Civil and Environmental Engineering
    • C&S BIO M184Introduction to Computational and Systems Biology
    • CH ENGR 108BChemical Process Computer-Aided Design and Analysis1 more beyond
  • MATH 170AProbability Theory I23 more beyond
    • MATH 156Machine Learning4 more beyond
    • MATH 168Introduction to Networks
    • BIOMATH M203Stochastic Models in Biology
    • MATH 170BProbability Theory II2 more beyond
    • MATH 170SIntroduction to Probability and Statistics 2: Statistics11 more beyond
    • COM SCI 112Modeling Uncertainty in Information Systems4 more beyond
    • MATH 171Stochastic Processesanother path to it
    • MATH 174EMathematics of Finance for Mathematics/Economics Studentsanother path to it
  • MATH 171Stochastic Processes
    • EPS SCI 205Inverse Theory and Data Interpretation
  • C&S BIO M130Fundamentals of Digital Imaging and Image Processing
  • MATH 174EMathematics of Finance for Mathematics/Economics Students
    • MATH 179Advanced Topic in Financial Mathematics
  • CH ENGR 101ATransport Phenomena I
    • CH ENGR 101BTransport Phenomena II: Heat Transfer3 more beyond
    • CH ENGR 109Numerical and Mathematical Methods in Chemical and Biological Engineering
    • CH ENGR C112Polymer Processes
    • CH ENGR C121Membrane Science and Technology
    • CH ENGR C212Polymer Processes
    • CH ENGR C221Membrane Science and Technology
  • CHEM 113APhysical Chemistry: Introduction to Quantum Mechanics21 more beyond
    • MAT SCI 120Physics of Materials5 more beyond
    • CHEM 110BTopics in Physical Chemistry11 more beyond
    • MAT SCI 225Materials Science of Surfaces
    • CHEM C113BQuantum Chemistry Methods
    • CHEM 114Physical Chemistry Laboratory
    • CHEM 114HPhysical Chemistry Laboratory (Honors)
    • CHEM C115AAdvanced Quantum Chemistry with Laboratory I
    • CHEM C115BAdvanced Quantum Chemistry with Laboratory II1 more beyond

95 courses list this as a requisite. Showing 60 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

  • 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.