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Study Guides > College Algebra CoRequisite Course

Introduction to Gaussian Elimination

Learning Outcomes

By the end of this section, you will be able to:
  • Write the augmented matrix for a system of equations.
  • Perform row operations on an augmented matrix.
  • Use Gaussian elimination to solve a systems of equations represented as an augmented matrix.
  • Interpret the solution to a system of equations represented as an augmented matrix.
painting of Gauss German mathematician Carl Friedrich Gauss (1777–1855).
Carl Friedrich Gauss lived during the late 18th century and early 19th century, but he is still considered one of the most prolific mathematicians in history. His contributions to the science of mathematics and physics span fields such as algebra, number theory, analysis, differential geometry, astronomy, and optics, among others. His discoveries regarding matrix theory changed the way mathematicians have worked for the last two centuries. We first encountered Gaussian elimination in Systems of Linear Equations: Two Variables. In this section, we will revisit this technique for solving systems, this time using matrices.

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  • College Algebra. Provided by: OpenStax Authored by: Abramson, Jay et al.. License: CC BY: Attribution. License terms: Download for free at http://cnx.org/contents/[email protected].

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