MATH221 · Annotated SlidesChapter 6 — Linear Systems of Equations
Chapter 6 · Annotated slides

Linear Systems of Equations

Linear systems: augmented matrices, Gaussian elimination with backward substitution, and operation counts.

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Slide 1: Definition 6.1
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  1. Gaussian elimination: reduce to upper triangular, then back-substitute. About n³/3 multiplications/divisions.
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MCQ

Gaussian elimination on an n×n system takes on the order of:

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