NAG Toolbox

F02 – Eigenvalues and Eigenvectors

• F02 Introduction
• f02ec – Selected eigenvalues and eigenvectors of real nonsymmetric matrix (Black Box)
• nag_eigen_real_gen_eigsys – f02ec
• f02fj – Selected eigenvalues and eigenvectors of sparse symmetric eigenproblem (Black Box)
• nag_eigen_real_symm_sparse_eigsys – f02fj
• f02gc – Selected eigenvalues and eigenvectors of complex nonsymmetric matrix (Black Box)
• nag_eigen_complex_gen_eigsys – f02gc
• f02sd – Eigenvector of generalized real banded eigenproblem by inverse iteration
• nag_eigen_real_band_geneig – f02sd
• f02wd – QR factorization, possibly followed by SVD
• nag_eigen_real_gen_qu_svd – f02wd
• f02wg – Computes leading terms in the singular value decomposition of a real general matrix; also computes corresponding left and right singular vectors
• nag_eigen_real_gen_partialsvd – f02wg
• f02wu – SVD of real upper triangular matrix (Black Box)
• nag_eigen_real_triang_svd – f02wu
• f02xu – SVD of complex upper triangular matrix (Black Box)
• nag_eigen_complex_triang_svd – f02xu

F01

F03