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

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Benson Gou
Benson Gou on 22 Jun 2021
Answered: J. Alex Lee on 22 Jun 2021
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.

Accepted Answer

J. Alex Lee
J. Alex Lee on 22 Jun 2021
potentially, if you have more information about the properties of A, you can specify them in a call to linsolve

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