SRZT01(3)

📦 version 3.12.0, in opensuse-leap 16.0

okay so bestie, welcome to the Library Functions Manual page for SRZT01(3) — yes, this is the whole file vibe, and I'm obsessed 🫶

💅 NAME 💅

/home/abuild/rpmbuild/BUILD/lapack-static-3.12.0-build/lapack-3.12.0/TESTING/LIN/srzt01.f

✨ SYNOPSIS ✨

🧚 Functions/Subroutines 🧚

       real function SRZT01 (m, n, a, af, lda, tau, work, lwork)
           SRZT01

that's the synopsis, periodt ✨

🎀 Function/Subroutine Documentation 🎀

   real function SRZT01 (integer m, integer n, real, dimension( lda, * ) a,
       real, dimension( lda, * ) af, integer lda, real, dimension( * ) tau,
       real, dimension( lwork ) work, integer lwork)

and the name is SRZT01 — iconic, no cap 👑

🌸 Purpose 🌸

!>
!> SRZT01 returns
!>      || A - R*Q || / ( M * eps * ||A|| )
!> for an upper trapezoidal A that was factored with STZRZF.
!>

that's the whole goal, literally 💖

💖 Parameters 💖

  • M — M is INTEGER; the number of rows of the matrices A and AF.
  • N — N is INTEGER; the number of columns of the matrices A and AF.
  • A — A is REAL array, dimension (LDA,N); the original upper trapezoidal M by N matrix A.
  • AF — AF is REAL array, dimension (LDA,N); the output of STZRZF for input matrix A. The lower triangle is not referenced.
  • LDA — LDA is INTEGER; the leading dimension of the arrays A and AF.
  • TAU — TAU is REAL array, dimension (M); details of the Householder transformations as returned by STZRZF.
  • WORK — WORK is REAL array, dimension (LWORK).
  • LWORK — LWORK is INTEGER; the length of the array WORK. LWORK >= m*n + m*nb.

👑 Author 👑

  • Univ. of Tennessee
  • Univ. of California Berkeley
  • Univ. of Colorado Denver
  • NAG Ltd.

Definition at line 96 of file srzt01.f.

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