Determinants between two similar matrices

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    Determinants Matrices
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Discussion Overview

The discussion revolves around the relationship between the determinants of two 4×4 matrices, A and B, where A has two identical rows. Participants explore whether this condition implies equality of determinants or if it provides no information about their relationship.

Discussion Character

  • Debate/contested

Main Points Raised

  • One participant questions if having two identical rows in matrix A implies that the determinants of matrices A and B are equal.
  • Another participant asserts that as long as the other rows may differ, the determinants of the two matrices could also differ.
  • A third participant challenges the idea that identical rows should lead to equality of determinants, emphasizing that the determinant's value depends on all elements of the matrix.
  • A participant acknowledges a premature question and suggests that row operations could have been performed to make the determinants of the two matrices the same.
  • Another participant requests clarification on the actual question being posed.

Areas of Agreement / Disagreement

Participants express differing views on the implications of identical rows for determinant equality, indicating that the discussion remains unresolved with multiple competing perspectives.

Contextual Notes

Some assumptions about the nature of the matrices and the specific conditions under which determinants are compared are not fully explored, leaving certain aspects of the discussion open-ended.

NATURE.M
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Lets suppose a 4×4 matrix A has two identical rows with some other 4×4 matrix B. Does that imply there determinant is equal? Or does it really say nothing about how the determinants of the two matrices are related.
 
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As long as the other rows may be different, the determinants may be different.
 
Why should two identical rows imply equality of determinants? The value of the determinant involves ALL of the elements of a matrix.
 
I mistakingly asked this question prematurely--not releasing that I could of easily performed row operations to enable the determinants of the two matrices to be the same.
 
So would you mind now telling us what the question really is?
 

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