List questions from lu-decomposition

Published on 29 Apr 2026 - 12:07

364

Views

Is a symmetric matrix positive definite iff $D$ in its LDU decomposition is positive definite?

Published on 29 Apr 2026 - 12:08

161

Views

Solve many linear equations of similar structure

Published on 25 Mar 2026 - 10:54

472

Views

$PA = LU$ decomposition

Published on 10 May 2026 - 11:05

1.7k

Views

Is the permutation matrix P of PLU decomposition unique?

Published on 25 Mar 2026 - 11:05

187

Views

Is $A$ ill conditioned matrix?

Published on 25 Mar 2026 - 9:25

219

Views

Calculate number of eigenvalues in interval $[-2, 3>$ of matrix $A$ using Sylvesters law of inertia and $LDL^T$ decomposition.

Published on 25 Mar 2026 - 9:30

2.8k

Views

Complexity of LUP decomposition of tri-diagonal matrix to solve an equation?

Published on 25 Mar 2026 - 11:03

23.8k

Views

LU Decomposition vs. Cholesky Decomposition

Published on 29 Apr 2026 - 12:26

2.5k

Views

reasons for error in lu decomposition

Published on 25 Mar 2026 - 9:31

833

Views

Pivot Matrix for Row Permutations in LU decomposition (C++/CUDA)

Published on 25 Mar 2026 - 9:24

2.4k

Views

Cholesky decomposition when deleting one row and one and column.

Published on 25 Mar 2026 - 10:55

306

Views

$PA = LU$ descomposition. Prove that $\max_{1\leq i,j\leq n}|u_{i,j}| \leq 2\max_{1\leq i,j\leq n}|a_{i,j}|$

Published on 25 Mar 2026 - 9:29

25

Views

Incorrect theorem in preparation for polar decomposition in notes?

Published on 25 Mar 2026 - 9:24

700

Views

An algorithm for Cholesky factorization

Published on 25 Mar 2026 - 9:22

List Question

Determining whether a matrix is positive definite from its LU decomposition

Is a symmetric matrix positive definite iff $D$ in its LDU decomposition is positive definite?

Solve many linear equations of similar structure

$PA = LU$ decomposition

Is the permutation matrix P of PLU decomposition unique?

Is $A$ ill conditioned matrix?

Calculate number of eigenvalues in interval $[-2, 3>$ of matrix $A$ using Sylvesters law of inertia and $LDL^T$ decomposition.

Complexity of LUP decomposition of tri-diagonal matrix to solve an equation?

LU Decomposition vs. Cholesky Decomposition

reasons for error in lu decomposition

Pivot Matrix for Row Permutations in LU decomposition (C++/CUDA)

Cholesky decomposition when deleting one row and one and column.

$PA = LU$ descomposition. Prove that $\max_{1\leq i,j\leq n}|u_{i,j}| \leq 2\max_{1\leq i,j\leq n}|a_{i,j}|$

Incorrect theorem in preparation for polar decomposition in notes?

An algorithm for Cholesky factorization

Trending Questions

Popular # Hahtags

Popular Questions