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Re: Colon with empty input
Posted:
Jan 28, 2013 11:17 AM
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"Steven_Lord" <slord@mathworks.com> wrote in message
news:ke65jv$l79$1@newscl01ah.mathworks.com...
>
>
> "Bruno Luong" <b.luong@fogale.findmycountry> wrote in message
> news:ke2pek$b95$1@newscl01ah.mathworks.com...
>>>> 1:[]
>>
>> ans =
>>
>> Empty matrix: 1-by-0
>>
>> Does this is documented?
>
> It doesn't appear to be; I'll ask the documentation staff to add it. I
> believe the rule is that if any of the three arguments of the : operator
> are empty, the result should be a 1-by-0 empty.
>
> --
> Steve Lord
> slord@mathworks.com
> To contact Technical Support use the Contact Us link on
> http://www.mathworks.com
It may not be explicitly documented, but the : operator outputs a row
vector, size 1xN. The empty row vector has size 1x0.
--
Loren
http://blogs.mathworks.com/loren/
http://www.mathworks.com/matlabcentral/
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