/home/abui...N/slakf2.f(3)

🌸 NAME 🌸

okay bestie, welcome to the Library Functions Manual — this page is /home/abui...N/slakf2.f(3), and the actual source name is:

/home/abuild/rpmbuild/BUILD/lapack-static-3.12.0-build/lapack-3.12.0/TESTING/MATGEN/slakf2.f

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✨ SYNOPSIS ✨

🌈 Functions/Subroutines 🌈

• subroutine SLAKF2 (m, n, a, lda, b, d, e, z, ldz) — the one and only, SLAKF2, and she is the whole show.

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🎀 Function/Subroutine Documentation 🎀

🦋 subroutine SLAKF2 🦋

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. iconic. no notes. 💅

💖 Purpose 💖

Bestie, the Purpose section is literally this:

!> 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. periodt.
• N — N is INTEGER; size of matrix, must be >= 1. she said what she said.
• 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.

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🧚 Author 🧚

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