Sebastian you legend, that seems to be it. Thank you very much.
>>> matrix.mean(dtype='float64') 0.41582015156745911 What seems odd is that numpy doesn't do this on it's own... 2008/9/3 Sebastian Stephan Berg <[EMAIL PROTECTED]> > Hi, > > just guessing here. But numarray seems to calculate the result in a > bigger dataype, while numpy uses float32 which is the input arrays size > (at least I thought so, trying it confused me right now ...). In any > case, maybe the difference will be gone if you > use .mean(dtype='float64') (or whatever dtype numarray actually uses, > which seems to be "numarray.MaximumType(a.type())" where a is the array > to take the mean). > > Sebastian > > _______________________________________________ > Numpy-discussion mailing list > Numpy-discussion@scipy.org > http://projects.scipy.org/mailman/listinfo/numpy-discussion >
_______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
