https://www.sytri.org/
Sytri
https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-c/2025-2/sytri-3.html
?sytri_3
Computes the inverse of a real or complex symmetric matrix.
https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-c/2025-2/sytri.html
?sytri
Computes the inverse of a symmetric matrix using U*D*U T or L*D*L T Bunch-Kaufman factorization.
https://sytri.niftyentries.com/
SYTri - niftyEntries.com