[Pw_forum] NaN

[Ezad Shojaee]

hi
i am performing phonon calculation by a Grid and i have "NaN" in one of the 
modes of a point in grid , so the dynamical matrix in that point is "NaN'" 
too
what's the problem and what should i do ?
thanx for any comment

_________________________________________________________________
Express yourself instantly with MSN Messenger! Download today it's FREE! 
http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/