F01MCF

LDL^{T} factorization of real symmetric positivedefinite variablebandwidth matrix

F04MCF

Solution of real symmetric positivedefinite variablebandwidth simultaneous linear equations (coefficient matrix already
factorized by F01MCF)

F08UEF

Reduction of real symmetricdefinite banded generalized eigenproblem Ax=λBx to standard form Cy=λy, such that C has the same bandwidth as A 
F08USF

Reduction of complex Hermitiandefinite banded generalized eigenproblem Ax=λBx to standard form Cy=λ y, such that C has the same bandwidth as A 