D4c2a: Tridiagonal


f08fcc   nag_dsyevd
All eigenvalues and optionally all eigenvectors of real symmetric matrix, using divide and conquer
f08fqc   nag_zheevd
All eigenvalues and optionally all eigenvectors of complex Hermitian matrix, using divide and conquer
f08gcc   nag_dspevd
All eigenvalues and optionally all eigenvectors of real symmetric matrix, packed storage, using divide and conquer
f08gqc   nag_zhpevd
All eigenvalues and optionally all eigenvectors of complex Hermitian matrix, packed storage, using divide and conquer
f08jcc   nag_dstevd
All eigenvalues and optionally all eigenvectors of real symmetric tridiagonal matrix, using divide and conquer
f08jec   nag_dsteqr
All eigenvalues and eigenvectors of real symmetric tridiagonal matrix, reduced from real symmetric matrix using implicit QL or QR
f08jfc   nag_dsterf
All eigenvalues of real symmetric tridiagonal matrix, root-free variant of QL or QR
f08jgc   nag_dpteqr
All eigenvalues and eigenvectors of real symmetric positive-definite tridiagonal matrix, reduced from real symmetric positive-definite matrix
f08jjc   nag_dstebz
Selected eigenvalues of real symmetric tridiagonal matrix by bisection
f08jsc   nag_zsteqr
All eigenvalues and eigenvectors of real symmetric tridiagonal matrix, reduced from complex Hermitian matrix, using implicit QL or QR
f08juc   nag_zpteqr
All eigenvalues and eigenvectors of real symmetric positive-definite tridiagonal matrix, reduced from complex Hermitian positive-definite matrix

NAG C Library
GAMS Classification Index
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© The Numerical Algorithms Group Ltd, Oxford UK. 2002