Quote:Why not using a loop?I'm using a list comprehension so far, and in a list of more than a million of components, performance falls of about 25%
; it looks like:Mprime = [[0] if n == [] else n for n in M]Let me trying
itertoolsPaul
[solved] list of list with one or more empty one
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[solved] list of list with one or more empty one
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| Messages In This Thread |
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[solved] list of list with one or more empty one - by paul18fr - May-23-2023, 05:39 PM
RE: list of list with one or more empty one - by Gribouillis - May-24-2023, 06:28 AM
RE: list of list with one or more empty one - by paul18fr - May-24-2023, 06:55 AM
RE: list of list with one or more empty one - by Gribouillis - May-24-2023, 08:56 AM
RE: list of list with one or more empty one - by paul18fr - May-24-2023, 09:02 AM
RE: [solved] list of list with one or more empty one - by jeffreyteague - Oct-04-2023, 09:08 AM
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