# Pages du manuel Linux : Fonctions des bibliothèques

sstein
compute the eigenvectors of a real symmetric tridiagonal matrix T corresponding to specified eigenvalues, using inverse iteration
sstein2
compute the eigenvectors of a real symmetric tridiagonal matrix T corresponding to specified eigenvalues, using inverse iteration
ssteqr
compute all eigenvalues and, optionally, eigenvectors of a symmetric tridiagonal matrix using the implicit QL or QR method
ssteqr2
i a modified version of LAPACK routine SSTEQR
ssterf
compute all eigenvalues of a symmetric tridiagonal matrix using the Pal-Walker-Kahan variant of the QL or QR algorithm
sstev
compute all eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
sstevd
compute all eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix
sstevr
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix T
sstevx
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric tridiagonal matrix A
ssycon
estimate the reciprocal of the condition number (in the 1-norm) of a real symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by SSYTRF
ssyev
compute all eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
ssyevd
compute all eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
ssyevr
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric matrix T
ssyevx
compute selected eigenvalues and, optionally, eigenvectors of a real symmetric matrix A
ssygs2
reduce a real symmetric-definite generalized eigenproblem to standard form
ssygst
reduce a real symmetric-definite generalized eigenproblem to standard form
ssygv
compute all the eigenvalues, and optionally, the eigenvectors of a real generalized symmetric-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
ssygvd
compute all the eigenvalues, and optionally, the eigenvectors of a real generalized symmetric-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
ssygvx
compute selected eigenvalues, and optionally, eigenvectors of a real generalized symmetric-definite eigenproblem, of the form A*x=(lambda)*B*x, A*Bx=(lambda)*x, or B*A*x=(lambda)*x
ssymm
perform one of the matrix-matrix operations C := alpha*A*B + beta*C,
ssymv
perform the matrix-vector operation y := alpha*A*x + beta*y,
ssyr
perform the symmetric rank 1 operation A := alpha*x*x' + A,
ssyr2
perform the symmetric rank 2 operation A := alpha*x*y' + alpha*y*x' + A,
ssyr2k
perform one of the symmetric rank 2k operations C := alpha*A*B' + alpha*B*A' + beta*C,
ssyrfs
improve the computed solution to a system of linear equations when the coefficient matrix is symmetric indefinite, and provides error bounds and backward error estimates for the solution
ssyrk
perform one of the symmetric rank k operations C := alpha*A*A' + beta*C,
ssysv
compute the solution to a real system of linear equations A * X = B,
ssysvx
use the diagonal pivoting factorization to compute the solution to a real system of linear equations A * X = B,
ssytd2
reduce a real symmetric matrix A to symmetric tridiagonal form T by an orthogonal similarity transformation
ssytf2
compute the factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
ssytrd
reduce a real symmetric matrix A to real symmetric tridiagonal form T by an orthogonal similarity transformation
ssytrf
compute the factorization of a real symmetric matrix A using the Bunch-Kaufman diagonal pivoting method
ssytri
compute the inverse of a real symmetric indefinite matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by SSYTRF
ssytrs
solve a system of linear equations A*X = B with a real symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by SSYTRF
Stack
Last-in first-out stacks.
stack
Create and manipulate stack objects
stack
manipulate stacks
start_sound_input
Starts recording in the specified format. Allegro game programming library.
stat
get file status
Stat::lsMode
format file modes like the CWls -l command does
statgrab
get system statistics
StaticPkg
statistics
Basic statistical functions and procedures
Statistics::Descriptive
Module of basic descriptive statistical functions.
statvfs
get file system information
stbcon
estimate the reciprocal of the condition number of a triangular band matrix A, in either the 1-norm or the infinity-norm
stbmv
perform one of the matrix-vector operations x := A*x, or x := A'*x,
stbrfs
provide error bounds and backward error estimates for the solution to a system of linear equations with a triangular band coefficient matrix
stbsv
solve one of the systems of equations A*x = b, or A'*x = b,