file eispack/readme for overview of eispack lib eispack/3090vf by Cline, Dubrulle, and Meyering for vectorizing on an IBM 3090-VF computer , These codes might be a useful starting point , for vectorized versions on other computers as well. lib eispack/ex for This directory contains a complete set of , testing routines for eispack. file eispack/bakvec.f gams D4c4 for back transformation, sign-symmetric matrix file eispack/balanc.f gams D4c1a for scaling, general matrix file eispack/balbak.f gams D4c4 for back scaling, general matrix file eispack/bandr.f gams D4c1b1 for reduction, symmetric band matrix file eispack/bandv.f gams D4c3 for some eigenvectors, symmetric band matrix file eispack/bisect.f gams D4a5,D4c2a for some eigenvalues, symmetric tridiagonal matrix file eispack/bqr.f gams D4a6 for some eigenvalues, symmetric band matrix file eispack/cbabk2.f gams D4c4 for back scaling, complex matrix file eispack/cbal.f gams D4c1a for scaling, complex matrix file eispack/cg.f gams D4a4 for find eigenvalues and eigenvectors, complex general matrix file eispack/ch.f gams D4a3 for find eigenvalues and eigenvectors, complex Hermitian matrix file eispack/cinvit.f gams D4c2b for some eigenvectors, complex Hessenberg matrix file eispack/combak.f gams D4c4 for back transformation, complex matrix file eispack/comhes.f gams D4c1b2 for reduction, complex matrix file eispack/comlr.f gams D4c2b for all eigenvalues, complex Hessenberg matrix file eispack/comlr2.f gams D4c2b for all eigenvalues and eigenvectors, complex Hessenberg matrix file eispack/comqr.f gams D4c2b for all eigenvalues, complex Hessenberg matrix file eispack/comqr2.f gams D4c2b for all eigenvalues and eigenvectors, complex Hessenberg matrix file eispack/cortb.f gams D4c4 for back transformation, complex matrix file eispack/corth.f gams D4c1b2 for reduction, complex matrix file eispack/elmbak.f gams D4c4 for back transformation, real matrix file eispack/elmhes.f gams D4c1b2 for reduction, real matrix file eispack/eltran.f gams D4c4 for reduction, real matrix file eispack/figi.f gams D4c1c for reduction, sign-symmetric matrix file eispack/figi2.f gams D4c1c for reduction, sign-symmetric matrix file eispack/hqr.f gams D4c2b for all eigenvalues, real Hessenberg matrix file eispack/hqr2.f gams D4c2b for all eigenvalues and eigenvectors, real Hessenberg matrix file eispack/htrib3.f gams D4c4 for back transformation, Hermitian packed matrix file eispack/htribk.f gams D4c4 for back transformation, Hermitian matrix file eispack/htrid3.f gams D4c1b1 for reduction, Hermitian packed matrix file eispack/htridi.f gams D4c1b1 for reduction, Hermitian matrix file eispack/imtql1.f gams D4a5,D4c2a for all eigenvalues, symmetric tridiagonal matrix file eispack/imtql2.f gams D4a5,D4c2a for all eigenvalues and eigenvectors, symmetric tridiagonal matrix file eispack/imtqlv.f gams D4a5,D4c2a for all eigenvalues, symmetric tridiagonal matrix file eispack/invit.f gams D4c2b for some eigenvectors, real Hessenberg matrix file eispack/minfit.f gams D6 for least squares, real matrix file eispack/ortbak.f gams D4c4 for back transformation, real matrix file eispack/orthes.f gams D4c1b2 for reduction, real matrix file eispack/ortran.f gams D4c4 for reduction, real matrix file eispack/qzhes.f gams D4c1b3 for reduction, generalized matrix file eispack/qzit.f gams D4c1b3 for further reduction, generalized Hessenberg matrix file eispack/qzval.f gams D4c2c for all eigenvalues, generalized Hessenberg matrix file eispack/qzvec.f gams D4c3 for all eigenvectors, generalized Hessenberg matrix file eispack/ratqr.f gams D4a5,D4c2a for some eigenvalues, symmetric tridiagonal matrix file eispack/rebak.f gams D4c4 for back transformation, symmetric generalized matrix file eispack/rebakb.f gams D4c4 for back transformation, symmetric generalized matrix file eispack/reduc.f gams D4c1c for reduction, symmetric generalized matrix file eispack/reduc2.f gams D4c1c for reduction, symmetric generalized matrix file eispack/rg.f gams D4a2 for find eigenvalues and eigenvectors, general matrix file eispack/rgg.f gams D4b2 for find eigenvalues and eigenvectors, generalized matrix file eispack/rs.f gams D4a1 for find eigenvalues and eigenvectors, symmetric matrix file eispack/rsb.f gams D4a6 for find eigenvalues and eigenvectors, band symmetric matrix file eispack/rsg.f gams D4b1 for find eigenvalues and eigenvectors, generalized symmetric matrix file eispack/rsgab.f gams D4b1 for find eigenvalues and eigenvectors, generalized symmetric matrix file eispack/rsgba.f gams D4b1 for find eigenvalues and eigenvectors, generalized symmetric matrix file eispack/rsm.f for find eigenvalues and eigenvectors, symmetric matrix file eispack/rsp.f gams D4a1 for find eigenvalues and eigenvectors, packed symmetric matrix file eispack/rst.f gams D4a5 for find eigenvalues and eigenvectors, tridiagonal symmetric matrix file eispack/rt.f gams D4a5 for find eigenvalues and eigenvectors, sign-symmetric tridiagonal matrix file eispack/svd.f gams D6 for singular value decomposition, real matrix file eispack/tinvit.f gams D4c3 for some eigenvectors, symmetric tridiagonal matrix file eispack/tql1.f gams D4a5,D4c2a for all eigenvalues, symmetric tridiagonal matrix file eispack/tql2.f gams D4a5,D4c2a for all eigenvalues and eigenvectors, symmetric tridiagonal matrix file eispack/tqlrat.f gams D4a5,D4c2a for all eigenvalues, symmetric tridiagonal matrix file eispack/trbak1.f gams D4c4 for back transformation, symmetric matrix file eispack/trbak3.f gams D4c4 for back transformation, packed symmetric matrix file eispack/tred1.f gams D4c1b1 for reduction, symmetric matrix file eispack/tred2.f gams D4c1b1 for reduction, symmetric matrix file eispack/tred3.f gams D4c1b1 for reduction, packed symmetric matrix file eispack/tridib.f gams D4a5,D4c2a for some eigenvalues, symmetric tridiagonal matrix file eispack/tsturm.f gams D4a5,D4c2a for some eigenvalues and eigenvectors, symmetric tridiagonal matrix .