[SciPy-user] AttributeError: 'numpy.ndarray' object has no attribute 'step'

Travis Oliphant oliphant.travis at ieee.org
Thu Mar 16 09:12:40 CST 2006


Nils Wagner wrote:
>>>> X,Y = mgrid[linspace(-0.4,0.4,10),linspace(-0.4,0.4,10)]
>>>>         
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
>   File "/usr/lib64/python2.4/site-packages/numpy/lib/index_tricks.py",
> line 89, in __getitem__
>     step = key[k].step
> AttributeError: 'numpy.ndarray' object has no attribute 'step'
>   

mgrid doesn't take sequences it takes "slice notation"

mgrid[-0.4:0.4:10j, -0.4:0.4:10j]

should work

-Travis



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