List questions from lu-decomposition

Published on 09 Sep 2020 - 17:37

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Unit lower triangular matrices multiplication

Published on 25 Mar 2026 - 4:53

55

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Proving by induction that $L = I + \sum_{ k=1}^{n-1} u ^{(k)} e ^T _k $

Published on 17 Oct 2020 - 15:20

94

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Understanding the proof the iterative improvement method for the result of linear equation solving using LU decomposition in numerical recipes

Published on 23 Feb 2026 - 18:05

309

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Calculate the LU-decomposition $PA=LU$ : How do we calulate $L$?

Published on 04 Jan 2021 - 17:09

84

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Example of regular tridiagonal matrix $A$ with given properties

Published on 06 Jan 2021 - 10:22

151

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DU decomposition

Published on 24 Mar 2026 - 16:16

235

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Is there any situation where the LDU decomposition is the same as the eigenvalue decomposition?

Published on 08 Mar 2021 - 1:18

249

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Efficient LU decomposition of matrix after updating diagonal

Published on 02 Jun 2021 - 18:29

101

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Do you have to start with the first row during LU decomposition?

Published on 30 Jul 2021 - 1:37

42

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How to find a solution other than the vector $0$ of Linear System $AX=b$ with $b$ belonging to $0$

Published on 05 Aug 2021 - 8:36

80

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Block LU factorization with more than two blocks?

Published on 01 Oct 2021 - 12:07

104

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LU Decomposition without Gaussian Elimination

Published on 14 Nov 2021 - 20:31

25

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Necessary and suffcient condition for LR-decompositions

Published on 18 Nov 2021 - 20:01

52

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A question about the product of commutators in an article of Vaserstein

Published on 10 Dec 2021 - 16:12

List Question

Counter example of LU decomposition uniqueness

Unit lower triangular matrices multiplication

Proving by induction that $L = I + \sum_{ k=1}^{n-1} u ^{(k)} e ^T _k $

Understanding the proof the iterative improvement method for the result of linear equation solving using LU decomposition in numerical recipes

Calculate the LU-decomposition $PA=LU$ : How do we calulate $L$?

Example of regular tridiagonal matrix $A$ with given properties

DU decomposition

Is there any situation where the LDU decomposition is the same as the eigenvalue decomposition?

Efficient LU decomposition of matrix after updating diagonal

Do you have to start with the first row during LU decomposition?

How to find a solution other than the vector $0$ of Linear System $AX=b$ with $b$ belonging to $0$

Block LU factorization with more than two blocks?

LU Decomposition without Gaussian Elimination

Necessary and suffcient condition for LR-decompositions

A question about the product of commutators in an article of Vaserstein

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