"Andreas Lobinger" wrote in message <email@example.com>... > Hello, > > i have some complex values (actually concentric hexagonal rings) in the struct n1. > This should be (as this is constructed this way) : 19 unique values, which are later scattered to 57 (19 * 3) values. And unique (which is i guess internally a sort and some further processing) gives me: > > >> length(unique(n1.bases)) > > ans = > > 20 > > >> length(unique([real(n1.bases.') imag(n1.bases.')],'rows')) > > ans = > > 19 > > This is done on a > MATLAB Version 188.8.131.524 (R2011b) > MATLAB License Number: XXXXXXXX > Operating System: Linux 3.0.4-43-default #1 SMP Wed Aug 31 09:30:44 UTC 2011 (a432f18) x86_64 > > Any idea?
This probably has something to do with floating point arithmetic operations.