Sorry, perhaps I did not explain myself :) One can see the phase oscillates between -\pi and \pi. I would like to compute how many times the phase changes by 2\pi as one goes around the origin.
On Wednesday, February 4, 2015 at 1:31:53 AM UTC+1, Steven G. Johnson wrote: > > > > On Tuesday, February 3, 2015 at 1:17:15 PM UTC-5, Andrei Berceanu wrote: > >> How can I numerically compute the total change in phase as one goes >> around a closed loop centered on the site $m=n=0$? >> > > Seems like > > totalchangeinphase(m,n) = 0 > > would work and be very efficient. (As you described your problem, your > phase sounds like a single-valued function of m & n, hence the total change > around any closed loop would be zero. Unless you mean something different > by "total change"?) >
