Can you please send the input files and results where this appears. As usual we cannot help without that.
On Mar 14, 2013, at 10:43 PM, Bo-Nan JIANG bonanjiang@gmail.com wrote:
Hi,all In DMRG, what does the sign of truncation error mean? In today's ALPS DMRG, I have got a negative truncation error, wow! So, I think what does a negative truncation error mean? the same as the positive one?
Bo-Nan
-- Stay foolish,Stay hungry.