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MathGroup Archive 2007

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Re: Re: From PaddedForm to numbers?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80574] Re: [mg80499] Re: From PaddedForm to numbers?
  • From: Curtis Osterhoudt <cfo at lanl.gov>
  • Date: Sun, 26 Aug 2007 03:10:00 -0400 (EDT)
  • Organization: LANL
  • References: <faj6fp$9gt$1@smc.vnet.net> <200708231023.GAA25596@smc.vnet.net>
  • Reply-to: cfo at lanl.gov

David Bailey and Jens-Peer Kuska both gave me good answers. Thanks to them!

  My question was prompted out of a wish to save myself from reinventing the 
wheel. The "LinTicks" function produces nice ticks for plots, and I've dug 
into it before to make my own definitions, but I wanted to avoid that in this 
case. The answers given allow me to manipulate the values returned by 
LinTicks. I'll summarize them below. 

On Thursday 23 August 2007 04:23:05 David Bailey wrote:
> If you really need to re-activate PaddedForm structures - rather than
> just avoid them, you could use:
>
> yy /. PaddedForm[x_,_]->x


On Thursday 23 August 2007 04:26:15 Jean-Marc Gulliet wrote:

>  you can use *First* to extract the original
> number. (Use FullForm[y] to see the structure of y.) For instance,
>
> In[1]:= y = PaddedForm[1.23456, {3, 4}]
>
> Out[1]//PaddedForm= \!\(\*
> TagBox[
> InterpretationBox["\<\" 1.2300\"\>",
> 1.23456,
> AutoDelete->True],
> PaddedForm[#, {3, 4}]& ]\)
>
> In[2]:= % + 1000 == y + 1000
>
> Out[2]= 1001.23 == 1000 + \!\(\*
> TagBox[
> InterpretationBox["\<\" 1.2300\"\>",
> 1.23456,
> AutoDelete->True],
> PaddedForm[#, {3, 4}]& ]\)
>
> In[3]:= %% + 1000 == First @ y + 1000
>
> Out[3]= True

-- 
==========================================================
Curtis Osterhoudt
cfo at remove_this.lanl.and_this.gov
PGP Key ID: 0x4DCA2A10
Please avoid sending me Word or PowerPoint attachments
See http://www.gnu.org/philosophy/no-word-attachments.html
==========================================================


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