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Classroom Capsules

An Elementary Proof that Reduced Row Echelon form of a Matrix is Unique

Pages 145-146 | Received 16 Apr 2021, Accepted 05 Jul 2022, Published online: 07 Mar 2023

References

  • Lay, D., Lay, S., McDonald, J. (2016). Linear Algebra and its Applications, 5th ed. Boston: Pearson.
  • MacCluer, C. (2006). An Elementary Proof of the Uniqueness of the Row-Reduced Echelon Form. Available at https://www.researchgate.net/publication/323539315. Online preprint.
  • Meyer, C. D. (2010). Matrix Analysis and Applied Linear Algebra. Philadelphia, PA: SIAM.
  • Thomas, Y. (1984). The reduced row echelon form of a matrix is unique: A simple proof. Math. Mag. 57(2): 93–94.

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