Restarting chol when the flag indicates it has stopped due to singularity

1 Ansicht (letzte 30 Tage)
Henry Wolkowicz
Henry Wolkowicz am 4 Nov. 2021
Beantwortet: John D'Errico am 4 Nov. 2021
[R,flag]=chol(X) yields flag = 41, i.e. X is not positive definite after the 41st pivot.
Can we remove row/col 41 and RESTART the chol without needing to redo the entire chol?

Melden Sie sich an, um diese Frage zu beantworten.

Antworten (1)

John D'Errico
John D'Errico am 4 Nov. 2021
No.

Kategorien

Mehr zu Linear Algebra finden Sie in Help Center und File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by