Cosine-Sine (CS) decomposition Node3 bbcsd:          ?? Node1 Cosine-Sine (CS) decomposition Node1->Node3 Node13 lapmr:          permute rows Node1->Node13 Node14 lapmt:          permute cols Node1->Node14 Node6 {un,or}bdb:     bidiagonalize partitioned unitary matrix, step in uncsd Node1->Node6 Node7 {un,or}bdb1:    step in uncsd2by1 Node1->Node7 Node8 {un,or}bdb2:    step in uncsd2by1 Node1->Node8 Node9 {un,or}bdb3:    step in uncsd2by1 Node1->Node9 Node10 {un,or}bdb4:    step in uncsd2by1 Node1->Node10 Node11 {un,or}bdb5:    step in uncsd2by1 Node1->Node11 Node12 {un,or}bdb6:    step in uncsd2by1 Node1->Node12 Node4 {un,or}csd:     ?? Node1->Node4 Node5 {un,or}csd2by1: ?? Node1->Node5 Node2 Orthogonal/unitary factors (QR, CS, etc.) Node2->Node1 .