[SciPy-User] pylab

[Warren Weckesser]

Andreas wrote:
>> works fine. But what if I have one or more data points missing in my y
>>     
> data set? like this
>   
>>> x = [1,2,3,4]
>>> y=[10,20, ,40]
>>> pylab.plot(x,y)
>>> pylab.show()
>>>       
>
> take a look at numpy.masked_array. matplotlib can handle masked arrays.
>
>   

It also skips nan's.  E.g.

In [21]: x = range(10)

In [22]: y = [10,20,25,nan,40,10,15,nan,40,50]

In [23]: plot(x, y, 'bo-')

(I'm using ipython with the -pylab option, so 'nan' is really 'numpy.nan'.)


Warren

> cheers,
>
> a.
>
>
>
>
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