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Topic: options in Plot
Replies: 1   Last Post: Dec 20, 2012 3:19 AM

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Bob Hanlon

Posts: 906
Registered: 10/29/11
Re: options in Plot
Posted: Dec 20, 2012 3:19 AM
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{#, Attributes[#]} & /@ {Plot, ListPlot}

{{Plot, {HoldAll, Protected, ReadProtected}}, {ListPlot, {Protected,

Plot has the attribute HoldAll. As always you need to use Evaluate to
override the HoldAll.

opts = {Frame -> True, GridLines -> {{1}, {1}}};

Plot[x, {x, 0, 1}, Evaluate[opts]]

Bob Hanlon

On Wed, Dec 19, 2012 at 4:55 AM, Nigel King
<> wrote:
> Hi MathGroup,
> Most Graphic functions allow applying a collection of options as in
> opts = {Frame -> True, GridLines -> {{1}, {1}}}
> One can then use the opts in the following plots
> ListPlot[{{1, 1}}, opts]
> Plot[x, {x, 0, 1}, opts]
> The ListPlot works as expected, the Plot does not. It results with
> Plot[x, {x, 0, 1}, opts]
> I believe that this is a change from M8 to M9.
> Is this a bug or intended functionality?
> Thanks
> Nigel King

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