qdldl

QDLDL, a free LDL factorization routine.

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Project description

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Python interface to the QDLDL free LDL factorization routine for quasi-definite linear systems: Ax = b.

Usage

Initialize the factorization with

import qdldl
F = qdldl.factor(A)

where A must be a square quasi-definite matrix in scipy sparse CSC format.

To solve the linear system for a right-hand side b, just write

x = F.solve(b)

TODO

[ ] Implement AMD
[ ] Test GIL release

Project details

These details have not been verified by PyPI

Project links

Homepage

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Release history Release notifications | RSS feed

0.1.7.post2

Apr 18, 2024

0.1.7.post1

Apr 5, 2024

0.1.7.post0

Jul 5, 2023

0.1.7

Apr 5, 2023

0.1.5.post3

Jan 15, 2023

0.1.5.post2

Mar 31, 2022

0.1.5.post0

Jan 6, 2021

0.1.5

Jan 4, 2021

0.1.3

Jun 10, 2020

0.1.2

Jun 10, 2020

0.1.1

May 12, 2020

0.1.0

Mar 21, 2020

This version

0.0.1

Jan 4, 2020

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