eiscor - EIgenSolvers based on unitary CORe transformations

Jared L. Aurentz (Developer), Thomas Mach (Developer), Raf Vandebril (Developer), David S. Watkins (Developer)

Research output: Non-textual formSoftware


This package is a collection of Fortran 90 subroutines for accurately and efficiently solving matrix eigenvalue problems using essentially 2x2 unitary matrices.
Original languageEnglish
Media of outputOnline
Size11000 lines
Publication statusPublished - May 20 2015



  • eiscor
  • unitary eigenvalue problem
  • core transformation
  • rotators
  • Fortran 90

ASJC Scopus subject areas

  • Numerical Analysis

Cite this

Aurentz, J. L. (Developer), Mach, T. (Developer), Vandebril, R. (Developer), & Watkins, D. S. (Developer). (2015). eiscor - EIgenSolvers based on unitary CORe transformations. Software https://github.com/eiscor/eiscor/releases/tag/v0.2.0