TESTING/MATGEN/slakf2.f(3)

NAME
TESTING/MATGEN/slakf2.f

SYNOPSIS

  Functions/Subroutines
subroutine slakf2 (m, n, a, lda, b, d, e, z, ldz)
SLAKF2

Function/Subroutine Documentation

  subroutine slakf2 (integer m, integer n, real, dimension( lda, * ) a, integer lda, real, dimension( lda, * ) b, real, dimension( lda, * ) d, real, dimension( lda, * ) e, real, dimension( ldz, * ) z, integer ldz)

SLAKF2

Purpose:

     Form the 2*M*N by 2*M*N matrix
            Z = [ kron(In, A)  -kron(B', Im) ]
                [ kron(In, D)  -kron(E', Im) ],
     where In is the identity matrix of size n and X' is the transpose
     of X. kron(X, Y) is the Kronecker product between the matrices X
     and Y.

Parameters
    M

              M is INTEGER
              Size of matrix, must be >= 1.

    N

              N is INTEGER
              Size of matrix, must be >= 1.

    A

              A is REAL, dimension ( LDA, M )
              The matrix A in the output matrix Z.

    LDA

              LDA is INTEGER
              The leading dimension of A, B, D, and E. ( LDA >= M+N )

    B

              B is REAL, dimension ( LDA, N )

    D

              D is REAL, dimension ( LDA, M )

    E

              E is REAL, dimension ( LDA, N )
              The matrices used in forming the output matrix Z.

    Z

              Z is REAL, dimension ( LDZ, 2*M*N )
              The resultant Kronecker M*N*2 by M*N*2 matrix (see above.)

    LDZ

              LDZ is INTEGER
              The leading dimension of Z. ( LDZ >= 2*M*N )

Author
    Univ. of Tennessee

    Univ. of California Berkeley

    Univ. of Colorado Denver

    NAG Ltd.

Definition at line 104 of file slakf2.f.

Author

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