F01LEF

LU factorization of real tridiagonal matrix

F04EAF

Solution of real tridiagonal simultaneous linear equations, one righthand side (Black Box)

F04FAF

Solution of real symmetric positivedefinite tridiagonal simultaneous linear equations, one righthand side (Black Box)

F04LEF

Solution of real tridiagonal simultaneous linear equations (coefficient matrix already factorized by F01LEF)

F08FEF

Orthogonal reduction of real symmetric matrix to symmetric tridiagonal form

F08FFF

Generate orthogonal transformation matrix from reduction to tridiagonal form determined by F08FEF 
F08FSF

Unitary reduction of complex Hermitian matrix to real symmetric tridiagonal form

F08FTF

Generate unitary transformation matrix from reduction to tridiagonal form determined by F08FSF 
F08GEF

Orthogonal reduction of real symmetric matrix to symmetric tridiagonal form, packed storage

F08GFF

Generate orthogonal transformation matrix from reduction to tridiagonal form determined by F08GEF 
F08GSF

Unitary reduction of complex Hermitian matrix to real symmetric tridiagonal form, packed storage

F08GTF

Generate unitary transformation matrix from reduction to tridiagonal form determined by F08GSF 
F08HEF

Orthogonal reduction of real symmetric band matrix to symmetric tridiagonal form

F08HSF

Unitary reduction of complex Hermitian band matrix to real symmetric tridiagonal form

F08JCF

All eigenvalues and optionally all eigenvectors of real symmetric tridiagonal matrix, using divide and conquer

F08JEF

All eigenvalues and eigenvectors of real symmetric tridiagonal matrix, reduced from real symmetric matrix using implicit QL or QR 
F08JFF

All eigenvalues of real symmetric tridiagonal matrix, rootfree variant of QL or QR 
F08JGF

All eigenvalues and eigenvectors of real symmetric positivedefinite tridiagonal matrix, reduced from real symmetric positivedefinite matrix

F08JJF

Selected eigenvalues of real symmetric tridiagonal matrix by bisection 
F08JKF

Selected eigenvectors of real symmetric tridiagonal matrix by inverse iteration, storing eigenvectors in real array

F08JSF

All eigenvalues and eigenvectors of real symmetric tridiagonal matrix, reduced from complex Hermitian matrix, using implicit QL or QR 
F08JUF

All eigenvalues and eigenvectors of real symmetric positivedefinite tridiagonal matrix, reduced from complex Hermitian positivedefinite matrix

F08JXF

Selected eigenvectors of real symmetric tridiagonal matrix by inverse iteration, storing eigenvectors in complex array
