• RICPAC

  • Referenced in 64 articles [sw15253]
  • generalized algebraic Riccati equations. The generalized eigenvalue problem provides a powerful framework for the solution ... form is derived from control and filtering problems for systems in generalized (or implicit ... subspaces for certain associated Hamiltonian or symplectic generalized eigenvalue problems. Utilizing an embedding technique...
  • aicm

  • Referenced in 11 articles [sw11487]
  • Numerical solution of eigenvalue problems for Hamiltonian systems. The paper concerns an eigenvalue problem ... Hamiltonian system of ordinary differential equations with nonlinear dependence on a real eigenparameter λ. Separated ... points of increase are discontinuities at the eigenvalues, and the size of the discontinuity ... corresponding eigenvalue. The author describes two alternative approaches to the problem of computing the function...
  • HAPACK

  • Referenced in 2 articles [sw15252]
  • HAPACK - Software for (Skew-)Hamiltonian Eigenvalue Problems. HAPACK provides Fortran 77 routines for eigenvalue problems...
  • BWDifference

  • Referenced in 5 articles [sw23722]
  • very efficiently the eigenvalue problem of “relativistic” quantum mechanical problems whose Hamiltonians are difference operators...
  • Algorithm 961

  • Referenced in 3 articles [sw26807]
  • solution of skew-Hamiltonian/Hamiltonian eigenproblems. Skew-Hamiltonian/Hamiltonian matrix pencils λ S — H appear ... many applications, including linear-quadratic optimal control problems, H∞-optimization, certain multibody systems, and many ... applications it is necessary to compute certain eigenvalues and/or corresponding deflating subspaces of these matrix ... developed methods exploit and preserve the skew-Hamiltonian/Hamiltonian structure and hence increase the reliability...
  • PPCG_lrep

  • Referenced in 2 articles [sw29678]
  • linear response eigenvalue problem aims at computing a few smallest positive eigenvalues together with ... associated eigenvectors of a special Hamiltonian matrix and plays an important role for estimating ... both eigenvalues and eigenvectors are established and numerical experiences on various problems are reported...
  • ppp_bulk.x

  • Referenced in 1 article [sw10440]
  • Hamiltonian, the Hartree-Fock equations are set up as a matrix eigenvalue problem...
  • DBSR_HF

  • Referenced in 1 article [sw17658]
  • replaced by a set of generalized eigenvalue problems of the form ... where H a and B are the Hamiltonian and overlap matrices, respectively...
  • SPINSGA

  • Referenced in 1 article [sw00901]
  • using the symmetric group approach. Nature of problem: This code computes different properties of spin ... lattice is solved for the lowest eigenvalue and the corresponding eigenvector in a specific ... employed. The product HC between the Hamiltonian matrix and the iteration vector is calculated...
  • ADOL-C

  • Referenced in 249 articles [sw00019]
  • ADOL-C: Automatic Differentiation of C/C++. We present...
  • CLIFFORD

  • Referenced in 84 articles [sw00131]
  • CLIFFORD performs various computations in Grass mann and...
  • C-XSC

  • Referenced in 110 articles [sw00181]
  • C-XSC. A programming environment for verified scientific...
  • Expokit

  • Referenced in 198 articles [sw00258]
  • Expokit provides a set of routines aimed at...
  • FEMLAB

  • Referenced in 57 articles [sw00274]
  • COMSOL Multiphysics, vormals FEMLAB, ist eine Software zur...
  • GAP

  • Referenced in 3154 articles [sw00320]
  • GAP is a system for computational discrete algebra...
  • irbleigs

  • Referenced in 19 articles [sw00451]
  • Algorithm 827: irbleigs: A MATLAB program for computing...
  • LAPACK

  • Referenced in 1695 articles [sw00503]
  • LAPACK is written in Fortran 90 and provides...
  • LEDA

  • Referenced in 263 articles [sw00509]
  • In the core computer science areas -- data structures...
  • LiDIA

  • Referenced in 53 articles [sw00518]
  • LiDIA: A library for computational number theory. LiDIA...