[Numpy-discussion] mask array and add to list
questions anon
questions.anon@gmail....
Wed Apr 18 17:34:56 CDT 2012
excellent thank you, that worked perfectly. I just need to remember this
feature next time I need it.
Thanks again
On Thu, Apr 12, 2012 at 11:41 PM, Tim Cera <tim@cerazone.net> wrote:
> Use 'ma.max' instead of 'np.max'. This might be a bug OR an undocumented
> feature. :-)
>
> import numpy.ma as ma
> marr = ma.array(range(10), mask=[0,0,0,0,0,1,1,1,1,1])
> np.max(marr)
> 4 # mask is used
>
> a = []
> a.append(marr)
> a.append(marr)
> np.max(a)
> 9 # mask is not used
>
> ma.max(a)
> 4 # mask is used
>
> Kindest regards,
> Tim
>
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>
>
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