Conclusions

• Localized spherical-wave basis sets
  • Few parameters ($R_{\rm {reg}}$, $E_{\rm {cut}}$, $\ell_{\rm {max}}$)
  • High accuracy
• Iterative minimization method
  • Tensor properties
  • Preconditioning
• Problems in optimizing localized functions

pdh1001@cam.ac.uk
http://www.tcm.phy.cam.ac.uk/$\sim$pdh1001/