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Re: A Question About Directive

  • To: mathgroup at smc.vnet.net
  • Subject: [mg111220] Re: A Question About Directive
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Sat, 24 Jul 2010 05:05:55 -0400 (EDT)

Fewer keystrokes is not the sole metric for simplicity! Code readability 
is another.

On 7/23/2010 7:09 AM, Kevin J. McCann wrote:
> A couple have responded with something like Mark's example below. Is
> this really worth a new function and more keystrokes over:
>
> Plot[{Cos[x], Sin[x]}, {x, 0, 2 Pi},
>     PlotStyle ->  {{Thick, Red}}]
>
> Kevin
>
> Mark McClure wrote:
>> On Mon, Jul 19, 2010 at 2:10 AM, Kevin J. McCann<kjm at kevinmccann.com>  wrote:
>>> I have noticed the use of Directive in some of the graphics examples
>>> from Bob Hanlon, David Park, and others. I am curious about this
>>> command, since it does not appear to do much that is new.
>>> ...
>>> So, what is the benefit of Directive?
>>
>> Try
>> Plot[{Cos[x], Sin[x]}, {x, 0, 2 Pi},
>>   PlotStyle ->  Directive[Thick, Red]]
>> vs
>> Plot[{Cos[x], Sin[x]}, {x, 0, 2 Pi},
>>   PlotStyle ->  List[Thick, Red]]
>>
>> Mark McClure
>>
>

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


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