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Topic: strange unique behaviour?
Replies: 4   Last Post: Jan 7, 2013 11:02 AM

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Steven Lord

Posts: 17,944
Registered: 12/7/04
Re: strange unique behaviour?
Posted: Jan 7, 2013 10:40 AM
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"Andreas Lobinger" <andreas.lobinger@nsn.com> wrote in message
news:kceprq$gol$1@newscl01ah.mathworks.com...
> Hello,
>
> i have some complex values (actually concentric hexagonal rings) in the
> struct n1.
> This should be (as this is constructed this way) : 19 unique values, which
> are later scattered to 57 (19 * 3) values. And unique (which is i guess
> internally a sort and some further processing) gives me:
>

>>> length(unique(n1.bases))
>
> ans =
>
> 20
>

>>> length(unique([real(n1.bases.') imag(n1.bases.')],'rows'))
>
> ans =
>
> 19
>
> This is done on a
> MATLAB Version 7.13.0.564 (R2011b)
> MATLAB License Number: XXXXXXXX
> Operating System: Linux 3.0.4-43-default #1 SMP Wed Aug 31 09:30:44 UTC
> 2011 (a432f18) x86_64
>
> Any idea?


Impossible to say without seeing the contents of n1.bases.

--
Steve Lord
slord@mathworks.com
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