https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-fortran/2023-1/lagts.html
?lagts
Solves the system of equations (T - lambda*I)*x = y or (T - lambda*I) T *x = y,where T is a general tridiagonal matrix and lambda is a scalar, using the LU...
https://www.intel.com/content/www/us/en/docs/onemkl/developer-reference-fortran/2025-2/lagts.html
?lagts
Solves the system of equations (T - lambda*I)*x = y or (T - lambda*I) T *x = y,where T is a general tridiagonal matrix and lambda is a scalar, using the LU...