https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-fortran/2024-0/gttrs.html
?gttrs
Solves a system of linear equations with a tridiagonal coefficient matrix using the LU factorization computed by ?gttrf.
https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-c/2025-2/gttrs.html
?gttrs
Solves a system of linear equations with a tridiagonal coefficient matrix using the LU factorization computed by ?gttrf.