Linux Manuals

The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.

Linux Manuals | Linux Manuals session 3

CTBCON (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

ctbcon.f – SynopsisFunctions/Subroutinessubroutine ctbcon (NORM, UPLO, DIAG, N, KD, AB, LDAB, RCOND, WORK, RWORK, INFO) CTBCON Function/Subroutine Documentationsubroutine ctbcon (characterNORM, characterUPLO, characterDIAG, integerN, integerKD, complex, dimension( ldab, * )AB, integerLDAB, realRCOND, complex, dimension( * )WORK, real, dimension( * )RWORK, integerINFO)CTBCON Purpose: CTBCON estimates the reciprocal of the condition number of a triangular band matrix A,…

Read More CTBCON (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYTRS2 (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csytrs2.f – SynopsisFunctions/Subroutinessubroutine csytrs2 (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, INFO) CSYTRS2 Function/Subroutine Documentationsubroutine csytrs2 (characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, complex, dimension( * )WORK, integerINFO)CSYTRS2 Purpose: CSYTRS2 solves a system of linear equations A*X = B with a…

Read More CSYTRS2 (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYTRS (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csytrs.f – SynopsisFunctions/Subroutinessubroutine csytrs (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, INFO) CSYTRS Function/Subroutine Documentationsubroutine csytrs (characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, integerINFO)CSYTRS Purpose: CSYTRS solves a system of linear equations A*X = B with a complex symmetric matrix A using…

Read More CSYTRS (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYTRI2X (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csytri2x.f – SynopsisFunctions/Subroutinessubroutine csytri2x (UPLO, N, A, LDA, IPIV, WORK, NB, INFO) CSYTRI2X Function/Subroutine Documentationsubroutine csytri2x (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension( n+nb+1,* )WORK, integerNB, integerINFO)CSYTRI2X Purpose: CSYTRI2X computes the inverse of a real symmetric indefinite matrix A using the factorization A = U*D*U**T or A =…

Read More CSYTRI2X (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYTRI2 (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csytri2.f – SynopsisFunctions/Subroutinessubroutine csytri2 (UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO) CSYTRI2 Function/Subroutine Documentationsubroutine csytri2 (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension( * )WORK, integerLWORK, integerINFO)CSYTRI2 Purpose: CSYTRI2 computes the inverse of a COMPLEX symmetric indefinite matrix A using the factorization A = U*D*U**T or A =…

Read More CSYTRI2 (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYTRI (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csytri.f – SynopsisFunctions/Subroutinessubroutine csytri (UPLO, N, A, LDA, IPIV, WORK, INFO) CSYTRI Function/Subroutine Documentationsubroutine csytri (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension( * )WORK, integerINFO)CSYTRI Purpose: CSYTRI computes the inverse of a complex symmetric indefinite matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed…

Read More CSYTRI (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYTRF (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csytrf.f – SynopsisFunctions/Subroutinessubroutine csytrf (UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO) CSYTRF Function/Subroutine Documentationsubroutine csytrf (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension( * )WORK, integerLWORK, integerINFO)CSYTRF Purpose: CSYTRF computes the factorization of a complex symmetric matrix A using the Bunch-Kaufman diagonal pivoting method. The form of the…

Read More CSYTRF (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYTF2 (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csytf2.f – SynopsisFunctions/Subroutinessubroutine csytf2 (UPLO, N, A, LDA, IPIV, INFO) CSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal pivoting method (unblocked algorithm). Function/Subroutine Documentationsubroutine csytf2 (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, integerINFO)CSYTF2 computes the factorization of a real symmetric indefinite matrix, using the diagonal…

Read More CSYTF2 (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYSWAPR (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csyswapr.f – SynopsisFunctions/Subroutinessubroutine csyswapr (UPLO, N, A, LDA, I1, I2) CSYSWAPR Function/Subroutine Documentationsubroutine csyswapr (characterUPLO, integerN, complex, dimension( lda, n )A, integerLDA, integerI1, integerI2)CSYSWAPR Purpose: CSYSWAPR applies an elementary permutation on the rows and the columns of a symmetric matrix. Parameters: UPLO UPLO is CHARACTER*1 Specifies whether the details of the factorization are stored as…

Read More CSYSWAPR (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYSVXX (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csysvxx.f – SynopsisFunctions/Subroutinessubroutine csysvxx (FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, EQUED, S, B, LDB, X, LDX, RCOND, RPVGRW, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, RWORK, INFO) CSYSVXX computes the solution to system of linear equations A * X = B for SY matrices Function/Subroutine Documentationsubroutine csysvxx (characterFACT, characterUPLO, integerN, integerNRHS, complex,…

Read More CSYSVXX (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYSVX (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csysvx.f – SynopsisFunctions/Subroutinessubroutine csysvx (FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, LWORK, RWORK, INFO) CSYSVX computes the solution to system of linear equations A * X = B for SY matrices Function/Subroutine Documentationsubroutine csysvx (characterFACT, characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, complex,…

Read More CSYSVX (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYSV (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csysv.f – SynopsisFunctions/Subroutinessubroutine csysv (UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, LWORK, INFO) CSYSV computes the solution to system of linear equations A * X = B for SY matrices Function/Subroutine Documentationsubroutine csysv (characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, complex,…

Read More CSYSV (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYRK (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csyrk.f – SynopsisFunctions/Subroutinessubroutine csyrk (UPLO, TRANS, N, K, ALPHA, A, LDA, BETA, C, LDC) CSYRK Function/Subroutine Documentationsubroutine csyrk (characterUPLO, characterTRANS, integerN, integerK, complexALPHA, complex, dimension(lda,*)A, integerLDA, complexBETA, complex, dimension(ldc,*)C, integerLDC)CSYRK Purpose: CSYRK performs one of the symmetric rank k operations C := alpha*A*A**T + beta*C, or C := alpha*A**T*A + beta*C, where alpha and beta…

Read More CSYRK (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYRFSX (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csyrfsx.f – SynopsisFunctions/Subroutinessubroutine csyrfsx (UPLO, EQUED, N, NRHS, A, LDA, AF, LDAF, IPIV, S, B, LDB, X, LDX, RCOND, BERR, N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, WORK, RWORK, INFO) CSYRFSX Function/Subroutine Documentationsubroutine csyrfsx (characterUPLO, characterEQUED, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV, real, dimension( *…

Read More CSYRFSX (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYRFS (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csyrfs.f – SynopsisFunctions/Subroutinessubroutine csyrfs (UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, B, LDB, X, LDX, FERR, BERR, WORK, RWORK, INFO) CSYRFS Function/Subroutine Documentationsubroutine csyrfs (characterUPLO, integerN, integerNRHS, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV, complex, dimension( ldb, * )B, integerLDB, complex, dimension( ldx, * )X,…

Read More CSYRFS (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYR2K (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csyr2k.f – SynopsisFunctions/Subroutinessubroutine csyr2k (UPLO, TRANS, N, K, ALPHA, A, LDA, B, LDB, BETA, C, LDC) CSYR2K Function/Subroutine Documentationsubroutine csyr2k (characterUPLO, characterTRANS, integerN, integerK, complexALPHA, complex, dimension(lda,*)A, integerLDA, complex, dimension(ldb,*)B, integerLDB, complexBETA, complex, dimension(ldc,*)C, integerLDC)CSYR2K Purpose: CSYR2K performs one of the symmetric rank 2k operations C := alpha*A*B**T + alpha*B*A**T + beta*C, or C :=…

Read More CSYR2K (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYR (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csyr.f – SynopsisFunctions/Subroutinessubroutine csyr (UPLO, N, ALPHA, X, INCX, A, LDA) CSYR performs the symmetric rank-1 update of a complex symmetric matrix. Function/Subroutine Documentationsubroutine csyr (characterUPLO, integerN, complexALPHA, complex, dimension( * )X, integerINCX, complex, dimension( lda, * )A, integerLDA)CSYR performs the symmetric rank-1 update of a complex symmetric matrix. Purpose: CSYR performs the symmetric rank…

Read More CSYR (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYMV (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csymv.f – SynopsisFunctions/Subroutinessubroutine csymv (UPLO, N, ALPHA, A, LDA, X, INCX, BETA, Y, INCY) CSYMV computes a matrix-vector product for a complex symmetric matrix. Function/Subroutine Documentationsubroutine csymv (characterUPLO, integerN, complexALPHA, complex, dimension( lda, * )A, integerLDA, complex, dimension( * )X, integerINCX, complexBETA, complex, dimension( * )Y, integerINCY)CSYMV computes a matrix-vector product for a complex symmetric…

Read More CSYMV (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYMM (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csymm.f – SynopsisFunctions/Subroutinessubroutine csymm (SIDE, UPLO, M, N, ALPHA, A, LDA, B, LDB, BETA, C, LDC) CSYMM Function/Subroutine Documentationsubroutine csymm (characterSIDE, characterUPLO, integerM, integerN, complexALPHA, complex, dimension(lda,*)A, integerLDA, complex, dimension(ldb,*)B, integerLDB, complexBETA, complex, dimension(ldc,*)C, integerLDC)CSYMM Purpose: CSYMM performs one of the matrix-matrix operations C := alpha*A*B + beta*C, or C := alpha*B*A + beta*C, where…

Read More CSYMM (3) Linux Manual Page
Linux Manuals | Linux Manuals session 3

CSYEQUB (3) Linux Manual Page
ByLinux Manual Apr 20, 2026Apr 22, 2026

csyequb.f – SynopsisFunctions/Subroutinessubroutine csyequb (UPLO, N, A, LDA, S, SCOND, AMAX, WORK, INFO) CSYEQUB Function/Subroutine Documentationsubroutine csyequb (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, real, dimension( * )S, realSCOND, realAMAX, complex, dimension( * )WORK, integerINFO)CSYEQUB Purpose: CSYEQUB computes row and column scalings intended to equilibrate a symmetric matrix A and reduce its condition number…

Read More CSYEQUB (3) Linux Manual Page