LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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Functions
{he,sy}evr: eig, MRRR
LAPACK » Hermitian/symmetric eigenvalues » Standard eig driver, AV = VΛ
Collaboration diagram for {he,sy}evr: eig, MRRR:

Functions

subroutine cheevr (jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, rwork, lrwork, iwork, liwork, info)
  CHEEVR computes the eigenvalues and, optionally, the left and/or right eigenvectors for HE matrices
 
subroutine dsyevr (jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, iwork, liwork, info)
  DSYEVR computes the eigenvalues and, optionally, the left and/or right eigenvectors for SY matrices
 
subroutine ssyevr (jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, iwork, liwork, info)
  SSYEVR computes the eigenvalues and, optionally, the left and/or right eigenvectors for SY matrices
 
subroutine zheevr (jobz, range, uplo, n, a, lda, vl, vu, il, iu, abstol, m, w, z, ldz, isuppz, work, lwork, rwork, lrwork, iwork, liwork, info)
  ZHEEVR computes the eigenvalues and, optionally, the left and/or right eigenvectors for HE matrices
 

Detailed Description