How can I quickly obtain the inverse of a square sparse matrix?

80 次查看（过去 30 天）
Benson Gou
Benson Gou 2021-6-22
回答： J. Alex Lee 2021-6-22
Dear All,
I have a square sparse matrix A. I use the following way to obtain its inverse:
invA = A \ eye(size(A));
I am wondering if there is a faster way to obtain invA.
Thanks a lot.
Benson

请先登录，再回答此问题。

采纳的回答

J. Alex Lee
J. Alex Lee 2021-6-22
potentially, if you have more information about the properties of A, you can specify them in a call to linsolve
https://www.mathworks.com/help/matlab/ref/linsolve.html#mw_f23b9376-00ee-4eba-8af3-48ee240f0b77

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Sparse Matrices 的更多信息

标签

Community Treasure Hunt

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

Start Hunting!

Translated by