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How to do it

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Ulrich

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Nov 21, 2009, 10:02:20 AM11/21/09
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I would like to set up a vector $(x_1 , \ldots , x_k , \ldots )$
marking the x_k by an arrow from below writing k below this arrow.
How can I do this? I went through the books but I failed.

Thanks in advance.

Ulrich

JohnF

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Nov 21, 2009, 10:34:52 AM11/21/09
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Do you mean something like
(x_1 , \ldots , \underset{\uparrow\atop k}{x_k} , \ldots )
produces?
--
John Forkosh ( mailto: j...@f.com where j=john and f=forkosh )

Ulrich

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Nov 23, 2009, 3:24:00 AM11/23/09
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John, thank you. This helps very much.

Ulrich

ilovelinux

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Nov 24, 2009, 3:24:49 AM11/24/09
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On 21 nov, 16:34, JohnF <j...@please.see.sig.for.email.com> wrote:

> Do you mean something like
>    (x_1 , \ldots , \underset{\uparrow\atop k}{x_k} , \ldots )
> produces?

Note that \underset needs \usepackage{amsmath}.

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