Version History

Branton J. Campbell and Harold T. Stokes.
Department of Physics and Astronomy, Brigham Young University, Provo, Utah

Version 1.2.2, Mar 2022. Added pivot-shared atom output to the "summary" page.
Version 1.2.1, Sep 2021. Change the default domains for many of the isotropy subgroups involving irreps at special k points.
Version 1.2.0, June 2021. Tidy and clarify the interface.
Version 1.1, August 2020. Implement T0 matrix isolation, symmetry-mode block separability, singular value decomposition, singular-value scanning, ferroelectric-mode separation, and rms deviances.
Version 1.0, January 2018. Initial implementation using Gaussian elimination with pivot tolerance.