there is 2 same list in a list
3x1 and 3x1
f=np.array([[1,2,3],[10,11,12]])
f[a==0, 1]
Out[45]: array([2])
f.shape
Out[46]: (2L, 3L)
#####
there are 2 different list in a list
3x1 and 2x1
f=np.array([[1,2,3],[10.11,12]])
type(f)
Out[40]: numpy.ndarray
f.shape
Out[41]: (2L,)
f[a==0]
Out[42]: array([[1, 2, 3]], dtype=object)
f[a==0, 1]
---------------------------------------------------------------------------
IndexError Traceback (most recent call last)
<ipython-input-43-07bceb2b55f4> in <module>()
----> 1 f[a==0, 1]
IndexError: too many indices for array