2012/2/1 martin großhauser <mgroszhau...@gmail.com>: > Hello, > > when I try in my script to divide a masked array by a scalar I get an > error. The instruction is: > >>> sppa = sp / 100. > > sp is a masked array with ndim = 3. > > error is: > Traceback (most recent call last): > File "/media/nethome/Work/workspace/interimEnso/src/mlBudget.py", > line 95, in <module> > sppa = sp / 100. > File "/usr/lib/pymodules/python2.7/numpy/ma/core.py", line 3673, in __div__ > return divide(self, other) > File "/usr/lib/pymodules/python2.7/numpy/ma/core.py", line 1072, in __call__ > m |= ma > ValueError: invalid return array shape > > The interesting thing is that this error only occurs after a tiling > instruction: >>> sp4d = N.tile(sp, (ninterf, 1, 1, 1)) > > If I do the division before the tiling I don't get an error. There's > also no error if I do the division with N.divide(sp, 100.). > > Also printing the array sp after tiling doesn't work, while it works > before. If I debug the script with eclipse/PyDev, in the variables > window I get the message "Unable to get repr for <class > 'numpy.ma.core.MaskedArray'>" for the sp array after tiling. > > The tiling operation shouldn't change the array, should it? Is this a > bug, or is it expected behaviour? > > Regards, > Martin Groszhauser
I forgot to mention that I'm using Numpy 1.5.1 from Ubuntu 11.04 (1.5.1-1ubuntu2). _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
