tridiag RRR routines Node2 Hermitian/symmetric eigenvalues Node1 tridiag RRR routines Node2->Node1 Node13 lar1v:          step in larrv, hence stemr & stegr Node1->Node13 Node3 larra:          step in stemr Node1->Node3 Node4 larrb:          step in stemr Node1->Node4 Node5 larrc:          step in stemr Node1->Node5 Node6 larrd:          step in stemr, tridiag eig Node1->Node6 Node7 larre:          step in stemr Node1->Node7 Node8 larrf:          step in stemr, find relative robust representation (RRR) Node1->Node8 Node9 larrj:          step in stemr, refine eigval estimates Node1->Node9 Node10 larrk:          step in stemr, compute one eigval Node1->Node10 Node11 larrr:          step in stemr, test to do expensive tridiag eig algorithm Node1->Node11 Node12 larrv:          eig tridiagonal, step in stemr & stegr Node1->Node12 .