The behavior below seems strange to me. The string array is type S3
yet it says that comparison with 'abc' is not implemented. The ==
operator seems to work though. Is there a subtlty I am missing or is
it simply a bug?
In [1]: import numpy
In [2]: numpy.equal(numpy.array(['abc', 'def']), 'abc')
Out[2]: NotImplemented
In [3]: numpy.array(['abc', 'def']) == 'abc'
Out[3]: array([ True, False], dtype=bool)
In [4]: numpy.equal?
Type: ufunc
Base Class: <type 'numpy.ufunc'>
String Form: <ufunc 'equal'>
Namespace: Interactive
Docstring:
y = equal(x1,x2) returns elementwise x1 == x2 in a bool array
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