On Tue, Aug 5, 2014 at 1:58 PM, Jurgens de Bruin <debrui...@gmail.com> wrote: > Hi, > > I am new to numpy so any help would be greatly appreciated. > > I have two arrays: > > array1 = np.arange(1,100+1) > array2 = np.arange(1,50+1) > > How can I calculate/determine if array2 is a subset of array1 (falls within > array 1) > > Something like : array2 in array1 = TRUE for the case above.
Does this work? np.in1d(array2, array1) See: http://docs.scipy.org/doc/numpy/reference/routines.set.html (Note that while in1d does the best it can, set operations on arrays will usually be slower than if you used a more appropriate data type like 'set' or 'dict'.) -n -- Nathaniel J. Smith Postdoctoral researcher - Informatics - University of Edinburgh http://vorpus.org _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
