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Re: TraditionalForm ordering

• To: mathgroup at smc.vnet.net
• Subject: [mg80279] Re: [mg80217] TraditionalForm ordering
• From: Carl Woll <carlw at wolfram.com>
• Date: Thu, 16 Aug 2007 04:51:18 -0400 (EDT)
• References: <200708150812.EAA09733@smc.vnet.net>

Chris Chiasson wrote:

>Is there some way to retain TraditionalForm, but have held expressions
>maintain their original order? For instance, it would be useful if I
>could make the expression below print as b+a instead of a+b. Are there
>any secret options to TraditionalForm that do that?
>
>TraditionalForm@HoldForm[b+a]
>  
>
Use the undocumented function PolynomialForm:

TraditionalForm @ PolynomialForm[HoldForm[b + a], TraditionalOrder -> False]

Carl Woll
Wolfram Research

>Bonus points:
>Explain the output of this command in terms of the pattern matching of
>FormatValues, Attributes, and DefaultValues of Times.
>
>Grid[Outer[HoldForm@Times[1,##,1]&,{2,a,1},{2,a,1}],Dividers->All]
>
>  
>

• References:
  • TraditionalForm ordering
    • From: "Chris Chiasson" <chris@chiasson.name>