MATH 221D

Linear Algebra

Duke University · UGRD · Fall 2026

1 section

Catalog description

Systems of linear equations and elementary row operations, Euclidean n-space and subspaces, linear transformations and matrix representations, Gram-Schmidt orthogonalization process, determinants, eigenvectors and eigenvalues; applications. Introduction to proofs. A gateway to more advanced math courses. Not open to students who have taken Mathematics 216 or 218. Recommended prerequisite: Mathematics 122, 112L or 122L.

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Class #duke-MATH221DFall 2026UGRD1 credits

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