Re: Slots & Ampersands
- To: mathgroup at smc.vnet.net
- Subject: [mg74374] Re: Slots & Ampersands
- From: dh <dh at metrohm.ch>
- Date: Mon, 19 Mar 2007 21:55:20 -0500 (EST)
- References: <etlq8s$rab$1@smc.vnet.net>
Hi Ajit,
RGBColor[1, 0, 0]& is a function that returns a constant of RGBColor[1,
0, 0]. The argument is not used, therefore, there is no #.
Any constant function does not use its argument and has no #.
Daniel
Mr Ajit Sen wrote:
> Dear MathGroup,
>
> I've always regarded the Slot and Ampersand as being
> inseparable in Mathematica (the Laurel & Hardy of
> Mathematica?), and was surprised to find one of them absent
> in
>
> Plot[Sin[x], {x, 0, 2Pi}, ColorOutput ->
> (RGBColor[1, 0, 0]&)]
>
> [Help Browser under ColorOutput::colpc ,Examples]
>
> Question 1
>
> Where is Laurel gone? Is he inside ColorOutput or
> RGBColor?
>
> Question 2
>
> Are there other similar constructs in Mathematica? [No # ]
>
> Thanks for your help.
>
> Ajit Sen.
>
>
>
>
>
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