f08nec

Orthogonal reduction of real general matrix to upper Hessenberg form

f08nsc

Unitary reduction of complex general matrix to upper Hessenberg form

f08pec

Eigenvalues and Schur factorization of real upper Hessenberg matrix reduced from real general matrix

f08pkc

Selected right and/or left eigenvectors of real upper Hessenberg matrix by inverse iteration 
f08psc

Eigenvalues and Schur factorization of complex upper Hessenberg matrix reduced from complex general matrix

f08pxc

Selected right and/or left eigenvectors of complex upper Hessenberg matrix by inverse iteration 
f08qhc

Solve real Sylvester matrix equation AX + XB = C, A and B are upper quasitriangular or transposes

f08qkc

Left and right eigenvectors of real upper quasitriangular matrix

f08qlc

Estimates of sensitivities of selected eigenvalues and eigenvectors of real upper quasitriangular matrix

f08qvc

Solve complex Sylvester matrix equation AX + XB = C, A and B are upper triangular or conjugatetransposes 
f08qxc

Left and right eigenvectors of complex upper triangular matrix

f08qyc

Estimates of sensitivities of selected eigenvalues and eigenvectors of complex upper triangular matrix

f08wec

Orthogonal reduction of a pair of real general matrices to generalized upper Hessenberg form

f08wsc

Unitary reduction of a pair of complex general matrices to generalized upper Hessenberg form

f08xec

Eigenvalues and generalized Schur factorization of real generalized upper Hessenberg form reduced from a pair of real general matrices

f08xsc

Eigenvalues and generalized Schur factorization of complex generalized upper Hessenberg form reduced from a pair of complex general matrices

f08ykc

Left and right eigenvectors of a pair of real upper quasitriangular matrices

f08yxc

Left and right eigenvectors of a pair of complex upper triangular matrices

g13edc

One iteration step of the timeinvariant Kalman filter recursion using the square root information implementation with (A^{1}, A^{1} B) in upper controller Hessenberg form

g13ewc

Unitary statespace transformation to reduce (A,C) to lower or upper observer Hessenberg form

g13exc

Unitary statespace transformation to reduce (B,A) to lower or upper controller Hessenberg form
