Eig computational routines Node4 disna:          eig condition numbers Node13 {hb,sb}2st_kernels : band to tridiagonal (2nd stage) Node23 — banded — Node24 {hb,sb}trd:     reduction to tridiagonal Node3 — full — Node1 Eig computational routines Node1->Node4 Node1->Node13 Node1->Node23 Node1->Node24 Node1->Node3 Node6 {he,sy}td2:     reduction to tridiagonal, level 2 Node1->Node6 Node5 {he,sy}trd:     reduction to tridiagonal Node1->Node5 Node10 {he,sy}trd_2stage: reduction to tridiagonal, 2-stage Node1->Node10 Node12 {he,sy}trd_hb2st:  band to tridiagonal (2nd stage) Node1->Node12 Node11 {he,sy}trd_he2hb:  full to band (1st stage) Node1->Node11 Node19 — packed — Node1->Node19 Node20 {hp,sp}trd:     reduction to tridiagonal Node1->Node20 Node14 lae2:           2x2 eig, step in steqr, stemr Node1->Node14 Node15 laesy:          2x2 eig Node1->Node15 Node16 laev2:          2x2 eig Node1->Node16 Node17 lagtf:          LU factor of (T - λI) Node1->Node17 Node18 lagts:          LU solve  of (T - λI) x = y Node1->Node18 Node7 latrd:          step in hetrd Node1->Node7 Node8 {un,or}gtr:     generate Q from hetrd Node1->Node8 Node9 {un,or}mtr:     multiply by Q from hetrd Node1->Node9 Node21 {up,op}gtr:     generate Q from hetrd Node1->Node21 Node22 {up,op}mtr:     multiply by Q from hptrd Node1->Node22 Node2 Hermitian/symmetric eigenvalues Node2->Node1 .