LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ dlsets()

subroutine dlsets ( integer  m,
integer  p,
integer  n,
double precision, dimension( lda, * )  a,
double precision, dimension( lda, * )  af,
integer  lda,
double precision, dimension( ldb, * )  b,
double precision, dimension( ldb, * )  bf,
integer  ldb,
double precision, dimension( * )  c,
double precision, dimension( * )  cf,
double precision, dimension( * )  d,
double precision, dimension( * )  df,
double precision, dimension( * )  x,
double precision, dimension( lwork )  work,
integer  lwork,
double precision, dimension( * )  rwork,
double precision, dimension( 2 )  result 
)

DLSETS

Purpose:
 DLSETS tests DGGLSE - a subroutine for solving linear equality
 constrained least square problem (LSE).
Parameters
[in]M
          M is INTEGER
          The number of rows of the matrix A.  M >= 0.
[in]P
          P is INTEGER
          The number of rows of the matrix B.  P >= 0.
[in]N
          N is INTEGER
          The number of columns of the matrices A and B.  N >= 0.
[in]A
          A is DOUBLE PRECISION array, dimension (LDA,N)
          The M-by-N matrix A.
[out]AF
          AF is DOUBLE PRECISION array, dimension (LDA,N)
[in]LDA
          LDA is INTEGER
          The leading dimension of the arrays A, AF, Q and R.
          LDA >= max(M,N).
[in]B
          B is DOUBLE PRECISION array, dimension (LDB,N)
          The P-by-N matrix A.
[out]BF
          BF is DOUBLE PRECISION array, dimension (LDB,N)
[in]LDB
          LDB is INTEGER
          The leading dimension of the arrays B, BF, V and S.
          LDB >= max(P,N).
[in]C
          C is DOUBLE PRECISION array, dimension( M )
          the vector C in the LSE problem.
[out]CF
          CF is DOUBLE PRECISION array, dimension( M )
[in]D
          D is DOUBLE PRECISION array, dimension( P )
          the vector D in the LSE problem.
[out]DF
          DF is DOUBLE PRECISION array, dimension( P )
[out]X
          X is DOUBLE PRECISION array, dimension( N )
          solution vector X in the LSE problem.
[out]WORK
          WORK is DOUBLE PRECISION array, dimension (LWORK)
[in]LWORK
          LWORK is INTEGER
          The dimension of the array WORK.
[out]RWORK
          RWORK is DOUBLE PRECISION array, dimension (M)
[out]RESULT
          RESULT is DOUBLE PRECISION array, dimension (2)
          The test ratios:
            RESULT(1) = norm( A*x - c )/ norm(A)*norm(X)*EPS
            RESULT(2) = norm( B*x - d )/ norm(B)*norm(X)*EPS
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.