M×n matrix with m linearly independent rows

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SUMMARY

Every m×n matrix A with m linearly independent rows can be derived from an n×n matrix by removing the last n − m rows. This conclusion is based on the properties of linear independence and matrix dimensions. The discussion highlights a common misunderstanding regarding the addition of rows instead of deletion, emphasizing the importance of maintaining the integrity of linear independence in matrix operations.

PREREQUISITES
  • Understanding of linear independence in vector spaces
  • Familiarity with matrix dimensions and properties
  • Basic knowledge of matrix operations, specifically row deletion
  • Concept of n×n matrices and their significance in linear algebra
NEXT STEPS
  • Study the properties of linear independence in depth
  • Learn about the implications of row operations on matrix rank
  • Explore the concept of matrix transformations and their applications
  • Investigate examples of m×n matrices and their derivations from n×n matrices
USEFUL FOR

Students of linear algebra, educators teaching matrix theory, and anyone interested in understanding the fundamentals of matrix manipulation and linear independence.

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Homework Statement



Show that every m×n matrix A with m linearly independent rows can be obtained
from n × n matrix by deleting the last n − m rows.

Homework Equations


The Attempt at a Solution



I have no idea of this question
 
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I don't really understand... Cant you just add n-m rows to the matrix. This yields a nxn matrix which fulfills are your desires...
 

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