LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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slatrd.f File Reference

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Functions/Subroutines

subroutine slatrd (uplo, n, nb, a, lda, e, tau, w, ldw)
 SLATRD reduces the first nb rows and columns of a symmetric/Hermitian matrix A to real tridiagonal form by an orthogonal similarity transformation.