because they are written as transformations of the fundamental lattice vectors into linear (integer) combinations of themselves. stefano
On 10/17/2012 03:00 AM, Caloma Trumica wrote: > Dear all, > > I have a quick question about the rotation matrix s(3,3,48). > > Why each element of it must be an integer? > > Thank you. > > Andy > > > > _______________________________________________ > Pw_forum mailing list > Pw_forum at pwscf.org > http://pwscf.org/mailman/listinfo/pw_forum -------------- next part -------------- An HTML attachment was scrubbed... URL: http://pwscf.org/pipermail/pw_forum/attachments/20121017/2bac84d6/attachment.html
