Re: [Matplotlib-users] Plotting multiline graph with large dataset (6 lines, about 30, 000, 000 points total

[Christopher B. <Chr...@no...>]

Oz Nahum wrote:
> Here's a quick and dirty solution how to sample every nth element in a
> vector - there's probably a faster way, with out loops,

there sure is:

In [8]: orig
Out[8]:
array([ 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16,
        17, 18, 19])

In [9]: orig[0:-1:4] # every 4th element
Out[9]: array([ 0,  4,  8, 12, 16])

-Chris


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