LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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Functions
{un,or}bdb: bidiagonalize partitioned unitary matrix, step in uncsd
LAPACK » Orthogonal/unitary factors (QR, CS, etc.) » Cosine-Sine (CS) decomposition

Functions

subroutine cunbdb (trans, signs, m, p, q, x11, ldx11, x12, ldx12, x21, ldx21, x22, ldx22, theta, phi, taup1, taup2, tauq1, tauq2, work, lwork, info)
 CUNBDB
 
subroutine dorbdb (trans, signs, m, p, q, x11, ldx11, x12, ldx12, x21, ldx21, x22, ldx22, theta, phi, taup1, taup2, tauq1, tauq2, work, lwork, info)
 DORBDB
 
subroutine sorbdb (trans, signs, m, p, q, x11, ldx11, x12, ldx12, x21, ldx21, x22, ldx22, theta, phi, taup1, taup2, tauq1, tauq2, work, lwork, info)
 SORBDB
 
subroutine zunbdb (trans, signs, m, p, q, x11, ldx11, x12, ldx12, x21, ldx21, x22, ldx22, theta, phi, taup1, taup2, tauq1, tauq2, work, lwork, info)
 ZUNBDB
 

Detailed Description