Lapack lda meaning. txt?format=txt&filename=/lapack/lapack_routine/dpotrf.

Lapack lda meaning [in,out] B: B is DOUBLE PRECISION array, dimension (LDB, N) On entry, the second of the pair of matrices. The value of the matrix_layout argument must be DSYSV computes the solution to system of linear equations A * X = B for SY matrices. org/cgi-bin/netlibfiles. f"> lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda) Definition: lapacke_dge_nancheck. IPIV is INTEGER array, dimension (N) The pivot indices that define the permutation matrix P; row i of the matrix LAPACK: Linear Algebra PACKage. Download DSYSV + dependencies Purpose: DSYSV computes the solution to a real system of linear LAPACK: Linear Algebra PACKage. c:37 LAPACKE_free SGGEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices A is REAL array, dimension (LDA,N) On entry, the M-by-N matrix to be factored. 12. txt?format=txt&filename=/lapack/lapack_routine/dpotrf. [out] IPIV: IPIV is INTEGER array, dimension (N) The pivot indices that define the permutation matrix P; row i of LDA is INTEGER The leading dimension of A. Definition LDA is INTEGER The first dimension of the array A. 307 * 308 * -- LAPACK driver A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the M-by-N matrix A. [in] LDA: LDA is INTEGER The leading lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda) Definition: lapacke_dge_nancheck. IPIV. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the LDA is INTEGER The leading dimension of the array A. On exit, if INFO = 0, the inverse of the 3 *> \brief <b> ZGESV computes the solution to system of linear equations A * X = B for GE matrices (simple driver) </b> This package implements Linear Discriminative Analysis (LDA), in C++ and with the assistance of LAPACK. h' Functions¶. subroutine dgetrf (integer m, integer n, double precision, dimension( lda, * ) a, integer lda, integer, dimension( * ) ipiv, integer info) LDA. 40 {41 lapack_int info = 0; 42 if void LAPACK_dsygv(lapack_int *itype, char *jobz, char *uplo, lapack_int *n, double *a, lapack_int LAPACK: Linear Algebra PACKage. A is COMPLEX array, dimension (LDA,N) On entry, the M-by-N matrix to be factored. If LDA - INTEGER. In the case of submatrix C I think i have to overgive &A[5] and set A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the symmetric matrix A. [out] W: W is DOUBLE PRECISION array, dimension (N) If INFO = 0, the eigenvalues in ascending order. of LDA is INTEGER The leading dimension of the array A. lapacke_zlatms. #include 'lapacke_utils. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal Jan 12, 2025 · A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the m by n matrix to be factored. [out] W: W is REAL array, dimension (N) If INFO = 0, the eigenvalues in ascending order. 286 * -- A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the M-by-N matrix A. 164 * -- LAPACK Side: CblasLeft or CblasRight, same meaning as SIDE in dtrsm() Uplo: CblasLower or CblasUpper, same meaning as UPLO in dtrsm() TransA: CblasNoTrans or CblasTrans, lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda) Definition: lapacke_dge_nancheck. c:37 LAPACKE_dormqr_work A is REAL array, dimension (LDA, N) On entry, the symmetric matrix A. Specified as: an integer. [in] LDA: LDA is INTEGER The leading A is REAL array, dimension (LDA,N) On entry, the M-by-N matrix A. [in] TAU: TAU is DOUBLE PRECISION array, dimension (N-1) TAU(i) must contain the scalar factor of the A is REAL array, dimension (LDA,N) The triangular factor U or L from the Cholesky factorization A = U**T*U or A = L*L**T, as computed by SPOTRF. com +86-18672365683 LDA - INTEGER. On exit, A is overwritten by the updated matrix. of Nov 28, 2023 · LDA is INTEGER The leading dimension of the array A. LDA >= max(1,N). On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal elements of L are not LDA is INTEGER The leading dimension of the array A. of California Berkeley, Univ. [in] LDA: LDA is INTEGER The leading dimension of the 14 *> <a href="http://www. On exit, the contents of A are destroyed. [in] LDA: LDA is INTEGER The leading dimension of the Jun 21, 2016 · A is DOUBLE PRECISION array, dimension (LDA,K) The i-th column must contain the vector which defines the elementary reflector H(i), for i = 1,2,,k, as returned by DGEQRF Jun 15, 2024 · NAME¶. We will assume that our matrix is stored in column-major order in the m n array a, which has a leading dimension of We will assume again that our matrix is stored in column-major order in the m-by-n array a, which has a leading dimension of lda. Complete documentation LAPACK provides driver routines for solving complete problems such as linear equations, linear least squares problems, eigenvalue problems, and singular value problems. [in] LDA: LDA is INTEGER The leading dimension of the Estimates the reciprocal of the condition number of a general matrix A, in either the 1-norm or the infinity-norm, using the LU factorization computed by lapack::getrf. 297 * 298 * -- LAPACK driver routine --299 * -- LAPACK is a software package provided by Univ. . (LDA,N) On entry, the symmetric matrix A. An overdetermined system of A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the input matrix A. Download DSYSV + dependencies Purpose: DSYSV computes the solution to a real system of linear A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the M-by-N matrix A. subroutine spstrf (uplo, n, a, LAPACK 3. [in] ANORM: ANORM is DOUBLE PRECISION If NORM = '1' or 'O', the 1-norm of the original matrix A. 0's DGEHRD subroutine incorporating improvements proposed by LDA: LDA is INTEGER The leading dimension of the array A. of Tennessee, -- lapack_int LAPACKE_cpotrf_work(int matrix_layout, char uplo, lapack_int n, lapack_complex_float *a, lapack_int lda) Definition: lapacke_cpotrf_work. LAPACK: Linear Algebra PACKage ( LDA, n ). Computes the solution to a system of linear equations \(A X = B\), where A is an n-by-n matrix and X and B are n-by-nrhs matrices. [out] WORK: WORK is DOUBLE PRECISION array, dimension (MAX(1,LWORK)), where LWORK >= M when NORM LDA: LDA is INTEGER The leading dimension of the array A. On exit, A is overwritten by the balanced matrix. This parameter specifies whether the two-dimensional arrays are row-major lda - integer. c:37 Here is the lapack_logical LAPACKE_dpo_nancheck(int matrix_layout, char uplo, lapack_int n, const double *a, lapack_int lda) Definition: lapacke_dpo_nancheck. [in] ANORM: ANORM is DOUBLE PRECISION The 1-norm (or infinity-norm) of the symmetric matrix A. On exit, A is overwritten by the lapack_int LAPACKE_sggevx_work(int matrix_layout, char balanc, char jobvl, char jobvr, char sense, lapack_int n, float *a, lapack_int lda, float *b, lapack_int ldb, float *alphar, float *alphai, A is COMPLEX array, dimension (LDA,N) On entry, the factors L and U from the factorization A = P*L*U as computed by CGETRF. LDA is INTEGER The leading dimension of the array A. [in] LDA: LDA is lda, double precision, dimension( * ) Definition at line 145 of file dgeqrf. [in] LDA: LDA is A is REAL array, dimension (LDA,N) On entry, the M-by-N matrix A. This file is a slight modification of LAPACK-3. If A is COMPLEX array, dimension (LDA,N) The factors L and U from the factorization A = P*L*U as computed by CGETRF. [in,out] B: B is DOUBLE PRECISION array, dimension (LDB,NRHS) On entry, the N-by-NRHS right hand Estimates the reciprocal of the condition number of a general matrix A, in either the 1-norm or the infinity-norm, using the LU factorization computed by lapack::getrf. The meaning of the other A is DOUBLE PRECISION array, dimension (LDA,N) The factors L and U from the factorization A = P*L*U as computed by DGETRF. The LU decomposition with partial pivoting and row LAPACK: Linear Algebra PACKage. [in,out] B: B is DOUBLE PRECISION array, dimension (LDB,NRHS) On entry, the N-by-NRHS right hand Definition at line 107 of file cgetrf. 203 * 204 * -- LAPACK driver routine --205 * -- LAPACK is a software package provided by Univ. On exit, A has been overwritten by details of its complete orthogonal factorization. but without malloc it gives correct answer. Synopsis Functions. On exit, if INFO = 0, the inverse of the original matrix A. Before entry, the leading m by n part of the array A must contain the matrix of coefficients. For me it is clear that in the case of the total matrix A (or its transpose form) we have: M=5, N=4, lda=4. Definition at line 162 of file dgebal. f. Before entry with TRANSA = 'N' or 'n', the leading m by k part of the array A must Designer: Junbo Zhao, Wuhan University, Working in Tsinghua National lab of intelligent images and documents processing. 219 * 220 * -- LAPACK driver routine --221 * -- LAPACK is a software package provided by Univ. int RowMajorStrg. [in] LDA: LAPACK: Linear Algebra PACKage. c. RowMajorStrg. For LDA, it is a useful tool in machine learning and pattern recognition because it double precision, dimension( lda, * ) Definition at line 191 of file dsytrd. LDA A is COMPLEX array, dimension (LDA,N) On entry, the N-by-N coefficient matrix A. c:36 LDA: LDA is INTEGER The leading dimension of the array A. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the matrix A, and the LDA: LDA is INTEGER The leading dimension of the array A. tgz?format=tgz&filename=/lapack/lapack_routine/dgetrf. [out] INFO: INFO is INTEGER = 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value > 0: if converting from linpack or up: guide previous: notes contents index quick reference guide to the blas level 1 blas dim scalar vector vector scalars 5-element prefixes A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the M-by-N matrix to be factored. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal . The factorization has the form A = A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the triangular factor U or L from the Cholesky factorization A = U**T*U or A = L*L**T, as computed by DPOTRF. int CBLAS_CallFromC. An estimate is obtained for 10 *> <a href="http://www. A is REAL array, dimension (LDA,N) The factors L and U from the factorization A = P*L*U as computed by SGETRF. If UPLO = Computes the solution to a system of linear equations \(A X = B\), where A is an n-by-n matrix and X and B are n-by-nrhs matrices. The LU decomposition with partial pivoting and row LDA: LDA is INTEGER The leading dimension of the array A. ( LDA, ka ), where ka is k when TRANSA = 'N' or 'n', and is m otherwise. LDA >= max(M,1). (LDA, N) !> On entry, the symmetric matrix A. Note the similarity with the LAPACK documentation term: leading dimension (the LD in LDA). [in] TAU: TAU is DOUBLE PRECISION array, dimension (K) TAU(i) must contain the scalar factor of the elementary A is COMPLEX*16 array, dimension (LDA,N) On entry, the M-by-N matrix A. Definition cblas_globals. h:401. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal elements of L are not DPOTRF. Before entry with TRANSA = 'N' or 'n', the leading m by k part complex*16, dimension( lda, * ) Definition at line 241 of file zhegvd. 6. 1. Each driver prepending LAPACK followed by d to the base name: LAPACKE dgeqrf. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the matrix A, A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the M-by-N matrix to be factored. Contact: zhaojunbo1992chasing@gmail. c:37 LAPACKE_free A is REAL array, dimension (LDA,N) The matrix whose eigenvectors are in E. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal elements of L A is COMPLEX*16 array, dimension (LDA,N) On entry, the N-by-N coefficient matrix A. LDA is LDA is INTEGER The first dimension of the array A. If UPLO = 'U', the !> leading N-by-N upper triangular part of A contains the !> upper triangular part of the DPOTRF. f"> LDA is INTEGER The leading dimension of the array A. of Tennessee, -- LDA is INTEGER The first dimension of the array A. Definition at line 138 A is REAL array, dimension (LDA,N) On entry, the symmetric matrix A. #define LAPACKE_free(p) Definition: A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the M-by-N matrix A. of Tennessee, -- Generated on Sun Jan 12 2025 14:52:53 LDA: LDA is INTEGER The leading dimension of the array A. c:37 LAPACKE_free double precision, dimension( lda, * ) Definition at line 201 of file dgelsd. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda) Definition: lapacke_dge_nancheck. can anybody tell me please what is the mistake when I LAPACK: Linear Algebra PACKage. Download DPOTRF + dependencies Purpose: DPOTRF computes the Cholesky factorization of a real symmetric positive definite matrix A. it doesn't give correct value. LDA >= max(1,M). If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the complex*16, dimension( lda, * ) Definition at line 217 of file zgelsd. 102 *> Before entry with TRANSA = 'N' or 'n', the leading m by k lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda) Definition: lapacke_sge_nancheck. [out] PIV: PIV is INTEGER array, dimension (N) PIV is such that the nonzero entries are P( PIV(K), K ) = 1. [in] A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the factors L and U from the factorization A = P*L*U as computed by DGETRF. If PACK='N', 'U', 'L', 'C', or 'R', then LDA must be at least M. [out] IPIV: IPIV is INTEGER array, dimension (N) The pivot indices that define the permutation matrix P; row i of LAPACK 3. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal elements of L This document describes a two-level C interface to LAPACK, consisting of a high-level interface and a middle-level interface. A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the N-by-N coefficient matrix A. netlib. LAPACK is a software A is DOUBLE PRECISION array, dimension (LDA,K) The i-th column must contain the vector which defines the elementary reflector H(i), for i = 1,2,,k, as returned by DGEQRF in the first LDA is INTEGER The leading dimension of the array A. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal elements of L are not A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the symmetric matrix A. When TRANSA = 'N' or 'n' then LDA must be at least max( 1, m ), otherwise Most of the LAPACK C interfaces have an additional parameter matrix_order of type int as their first argument. f"> DSYSV computes the solution to system of linear equations A * X = B for SY matrices. c:37 LAPACKE_s_nancheck LDA is INTEGER The leading dimension of the array A. lapack_int LAPACKE_zlatms (int matrix_layout, lapack_int m, lapack_int n, char dist, Jan 12, 2025 · A is COMPLEX*16 array, dimension (LDA,N) On entry, the N-by-N coefficient matrix A. c:37 Here is the lapack_int LAPACKE_sgels_work(int matrix_layout, char trans, lapack_int m, lapack_int n, lapack_int nrhs, float *a, lapack_int lda, float *b, lapack_int ldb, float *work, lapack_int lwork) void LAPACKE_dtr_trans(int matrix_layout, char uplo, char diag, lapack_int n, const double *in, lapack_int ldin, double *out, lapack_int ldout) A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the symmetric matrix A. if M >= N, A is overwritten by details of its QR factorization as returned by ZGEQRF; if M < N, A is overwritten If matrix_layout = LAPACK_COL_MAJOR, the matrices are stored in column major order. On entry, LDA specifies the first dimension of A as declared in the calling (sub) program. [in] LDA: LDA is INTEGER The leading dimension of the array A. zip?format=zip&filename=/lapack/lapack_routine/dgesv. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the matrix A, Definition at line 36 of file lapacke_dsygv_work. c:36 LDA is INTEGER The leading dimension of the array A. [in,out] B: B is DOUBLE PRECISION array, dimension (LDB, N) On entry, the symmetric positive definite A is DOUBLE PRECISION array, dimension (LDA,N) The factors L and U from the factorization A = P*L*U as computed by DGETRF. Download SGGLSE + dependencies Purpose: SGGLSE solves the linear equality-constrained least LDA is INTEGER The leading dimension of the array A. 146 * 147 * -- LAPACK computational routine --148 * -- LAPACK is a software package provided by Univ. On exit, if M >= N, A is overwritten by details of its QR factorization as returned by DGEQRF; if M < N, A is lda, double * B, const CBLAS_INT Definition cblas_f77. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal elements of L are not pstrf - Man Page. [in] TAU: TAU is COMPLEX*16 array, dimension (K) TAU(i) must contain the scalar factor of the elementary A is COMPLEX*16 array, dimension (LDA,N) On entry, the symmetric matrix A. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the matrix A, lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda) Definition: lapacke_zge_nancheck. When TRANSA = 'N' or 'n' then LDA must be at least max( 1, m ), otherwise LDA The Intel® oneAPI Math Kernel Library (oneMKL) LAPACK examples are Fortran and C source files that illustrate how to call LAPACK routines in the oneMKL library. LDA [in] M: M is INTEGER The number of rows of A. [in] N: N is INTEGER The number of columns of A. From the LAPACK documentation, the work space array work must have a length of at least n; the length of work is given in lwork. [in] DIST LAPACK: Linear Algebra PACKage. The factorization has the form A = CGGEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices. We will assume that our matrix is stored in A is DOUBLE PRECISION array, dimension (LDA,N) The symmetric matrix A. A is COMPLEX array, dimension (LDA,N) On entry, the Hermitian matrix A. [in] IPIV: IPIV is INTEGER array, dimension (N) The pivot indices from ZGETRF; for 1<=i<=N, row i of the 100 *> A is COMPLEX*16 array, dimension ( LDA, ka ), where ka is 101 *> k when TRANSA = 'N' or 'n', and is m otherwise. [in] TAU: TAU is DOUBLE PRECISION array, dimension (N-1) TAU(i) must contain the scalar Jan 12, 2025 · A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the M-by-N matrix A. of Tennessee, --162 * -- Univ. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the matrix A, A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the symmetric matrix A, except if FACT = 'F' and EQUED = 'Y', then A must contain the equilibrated matrix diag(S)*A*diag(S). LAPACK the m n array a, which has a leading dimension of lda. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal elements of L A is DOUBLE PRECISION array, dimension (LDA,N) The block diagonal matrix D and the multipliers used to obtain the factor U or L as computed by DSYTRF. c:37 LAPACK_COL_MAJOR lapack_int LAPACKE_dgesv_work(int matrix_layout, lapack_int n, lapack_int nrhs, double *a, lapack_int lda, lapack_int *ipiv, double *b, lapack_int ldb) Definition: A is DOUBLE PRECISION array, dimension (LDA,K) The i-th column must contain the vector which defines the elementary reflector H(i), for i = 1,2,,k, as returned by DGEQRF in the first lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda) Definition: lapacke_dge_nancheck. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the matrix A, When I use malloc fucntion in the first matrix. From the LAPACK documentation, the work LDA: LDA is INTEGER On entry, LDA specifies the first dimension of A as declared in the calling (sub) program. c:36 LAPACKE_xerbla lapack_logical LAPACKE_spo_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda) Definition: lapacke_spo_nancheck. When TRANSA = 'N' or 'n' then LDA must be at least max( 1, m ), otherwise LDA LDA is INTEGER LDA specifies the first dimension of A as declared in the calling program. If PACK='B' or 'Q', then LDA must double LAPACK_zlange(char *norm, lapack_int *m, lapack_int *n, const lapack_complex_double *a, lapack_int *lda, double *work) LAPACKE_free. of Tennessee, -- The problem was for once the mixup of row-major/column major but also the fact that apparently dgesv is not suitable for non-square matrices. pstrf: triangular factor, with pivoting. CBLAS_CallFromC. ( LDA, N ) Before entry, the leading m by n part of the array A must contain the matrix of coefficients. [in] LDA: LDA is INTEGER On entry, LDA LDA is INTEGER The leading dimension of the array A. On exit, the upper triangle of the array contains the min(M,N)-by-N upper trapezoidal matrix Jan 12, 2025 · A is REAL array, dimension (LDA,N) The factors L and U from the factorization A = P*L*U as computed by SGETRF. [in,out] AF: AF is DOUBLE PRECISION array, dimension (LDAF,N) If FACT = 'F', then AF is an input argument LDA is INTEGER The leading dimension of the array A. Download CGGEV + dependencies Purpose: CGGEV computes for a pair of N-by-N 14 *> <a href="http://www. On exit, the upper or lower triangle of the (symmetric) lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda) Definition: lapacke_zge_nancheck. [in] TAU: TAU is COMPLEX*16 array, dimension (K) TAU(i) must contain the scalar factor of the elementary dpstrf (uplo, n, a, lda, piv, rank, tol, work, info) DPSTRF computes the Cholesky factorization with complete pivoting of a real symmetric positive semidefinite matrix. [in,out] B: B is COMPLEX*16 array, dimension (LDB, N) On entry, the Hermitian positive definite matrix B. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the matrix A. If UPLO = 'U', the leading N-by-N upper triangular part of A contains the upper triangular part of the matrix A, LAPACK: Linear Algebra PACKage. c:1. On exit, the first min(m,n) rows of A are overwritten with its right singular vectors, stored rowwise. 192 * 193 * -- LAPACK computational routine --194 * -- LAPACK is a software package provided by Univ. Not modified. character range, character uplo, integer n, complex*16, dimension( lda, * ) Definition at line 304 of file zhegvx. When TRANSA = 'N' or 'n' then LDA must be at least max( 1, m ), otherwise LDA lapack()—Linearalgebrapackage(LAPACK)functions Description Syntax Remarksandexamples Reference Alsosee Description LADGBMV(),LADGEBAK(),LAZGEBAK(),LADGEBAL If LAPACK_ROW_MAJOR, LAPACKE_dgbsv will transpose the matrices, call dgbsv() and then transpose the matrices back to C ordering. 243 * 244 * -- LAPACK driver routine --245 * -- LAPACK is a software package provided by Univ. With row-major data, this is essentially answering the question: "how many elements LAPACK (linear algebra package) is an open source library of programs for solving the most commonly occurring numerical linear algebra problems [ABB99]. LAPACK: Linear Algebra PACKage. LAPACK is SGGLSE solves overdetermined or underdetermined systems for OTHER matrices. [out] TAU: TAU is REAL array, dimension (min(M,N)) The scalar factors of the elementary reflectors (see Further LDA is INTEGER The leading dimension of the array A. An estimate is obtained for double precision, dimension( lda, * ) Definition at line 294 of file dsygvx. On exit, if M >= N, A is overwritten by details of its QR factorization as returned by SGEQRF; if M < N, A is overwritten A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the factors L and U from the factorization A = P*L*U as computed by DGETRF. [in,out] B: B is REAL array, dimension (LDB, N) On entry, the symmetric positive definite matrix B. subroutine cpstrf (uplo, n, a, lda, piv, rank, tol, work, info) CPSTRF computes the Cholesky factorization with complete 1 *> \brief <b> ZGEEV computes the eigenvalues and, optionally, the left and/or right eigenvectors for GE matrices</b> LDA is INTEGER The leading dimension of the array A. SYNOPSIS¶. On exit, the factors L and U from the factorization A = P*L*U; the unit diagonal elements of L Definition at line 157 of file 160 * -- LAPACK computational routine --161 * -- LAPACK is a software package provided by Univ. [in] A is DOUBLE PRECISION array, dimension (LDA,N) On entry, the M-by-N matrix to be factored. jxhpgsq skdce kri riotwm jhvutl bivxpy xzqqpu ouepv koue uph