List questions from gaussian-elimination

Published on 11 May 2022 - 2:06

48

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unique answer to rref

Published on 26 Jun 2022 - 1:33

98

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Which one is the proper Gauss-Jordan elimination method?

Published on 23 Jul 2022 - 22:31

59

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Completing the square when the pivot are zeros.

Published on 25 Mar 2026 - 17:18

3.6k

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Suppose a $3 × 5 $ coefficient matrix for a system has three pivot columns. Is the system consistent?

Published on 06 Aug 2022 - 3:51

566

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Expressing the 0 vector as a non trivial linear combination of 3 vectors.

Published on 09 Aug 2022 - 14:10

116

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A Gaussian elimination problem on Matrices

Published on 21 Sep 2022 - 5:00

400

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Why use elementary matrices?

Published on 29 Sep 2022 - 2:35

255

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How to Derive the Matrix Inverse Formula Without Using Gauss-Jordan

Published on 29 Sep 2022 - 20:57

130

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What are the advantages of solving a system of linear equations with the LR algorithm? And why shouldn't I always use Gaussian elimination?

Published on 19 Oct 2022 - 11:13

29

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What is separable self-adjoint boundary value problem and why direct matrix solver is primarily restricted to this kind of problem?

Published on 27 Mar 2026 - 14:51

66

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Troubles on a determinat of a $4\times 4$ matrix

Published on 06 Nov 2022 - 14:56

161

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Finding solutions of a matrix with parameters

Published on 06 Nov 2022 - 16:42

257

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Show that each $e_1, e_2, e_3$ is an element in the span $\langle v_1, v_2, v_3 \rangle$ and hence $v_1, v_2, v_3$ spans $\mathbb R^3$

Published on 13 Nov 2022 - 21:57

47

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solutions of the simultaneous congruences

Published on 23 Nov 2022 - 18:10

List Question

Is vector in the span?

unique answer to rref

Which one is the proper Gauss-Jordan elimination method?

Completing the square when the pivot are zeros.

Suppose a $3 × 5 $ coefficient matrix for a system has three pivot columns. Is the system consistent?

Expressing the 0 vector as a non trivial linear combination of 3 vectors.

A Gaussian elimination problem on Matrices

Why use elementary matrices?

How to Derive the Matrix Inverse Formula Without Using Gauss-Jordan

What are the advantages of solving a system of linear equations with the LR algorithm? And why shouldn't I always use Gaussian elimination?

What is separable self-adjoint boundary value problem and why direct matrix solver is primarily restricted to this kind of problem?

Troubles on a determinat of a $4\times 4$ matrix

Finding solutions of a matrix with parameters

Show that each $e_1, e_2, e_3$ is an element in the span $\langle v_1, v_2, v_3 \rangle$ and hence $v_1, v_2, v_3$ spans $\mathbb R^3$

solutions of the simultaneous congruences

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