• # Algorithm 844

• Referenced in 18 articles [sw04407]
• # Modulef

• Referenced in 39 articles [sw01072]
• include inverse iteration, subspace iteration, Lanczos and QR methods. Solution of time-dependent thermal problems ... Computation of homogenised coefficients of composite structures. Decomposition of domains. Several modules are available...
• # Algorithm 977

• Referenced in 3 articles [sw25562]
• Algorithm 977: A QR-preconditioned QR SVD method for computing the SVD with high accuracy ... software for computing the singular value decomposition (SVD) of real or complex matrices is proposed ... code xGESVDQ is essentially the QR SVD algorithm available as xGESVD in LAPACK. The novelty ... matrix computations, the combination of the QR factorization and an SVD computation routine...
• # UDC

• Referenced in 19 articles [sw20233]
• Schur parametrization to compute the spectral decomposition of H without explicitly forming the elements ... reliable and competitive with the general QR algorithm applied to this problem. Moreover, the algorithm...