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MathGroup Archive 2004

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Re: Re: Re: Piecewise symbol in 5.1

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52477] Re: [mg52331] Re: [mg52313] Re: Piecewise symbol in 5.1
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Sun, 28 Nov 2004 01:07:24 -0500 (EST)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <200411230712.CAA29396@smc.vnet.net>
  • Reply-to: murray at math.umass.edu
  • Sender: owner-wri-mathgroup at wolfram.com

The step "In the Mathematica 5.1 installation directory..." is a bit of 
a problem for those of us who downloaded the Windows installer for 
Mathematica 5.1:  It's just an .exe file, not a zip file.  So how would 
we find that directory, which must be a fleeting, temporary one (under 
the installing user's "Documents and Settings" "Local Settings" Temp 
directory?) that is created when one runs that .exe file and then surely 
erased ?

John Fultz wrote:
> It sounds like the installation of fonts in an upgrade scenario isn't as 
> reliable as it should be.  What various people are describing here is that 
> some or all of the Mathematica fonts being used are coming from their 5.0 
> (or possibly earlier) installation rather than the 5.1 installation.  We 
> are investigating the problem to try to determine under exactly what 
> circumstances this happens and how to fix it.
> 
> I'm including some instructions below on how to fix the problem under 
> Windows.  If you have difficulties, or are experiencing problems on 
> platforms other than Windows, you should contact Technical Support at 
> support at wolfram.com.
> 
> First, to determine if you have a problem, copy and paste the following 
> into 5.1...
> 
> \[ConjugateTranspose] \[Transpose] \[Piecewise]
> 
> You should see characters which look kind of like a plus, a T, and a left 
> brace.  If you don't, try rebooting your system.  If the problem still 
> persists, then...
> 
> * Open the Fonts control panel.
> * Find all fonts which begin with the name "Mathematica" and delete
>   them (if you find fonts beginning with "Math", you shouldnt' delete
>   those).
> * Double-check to make sure they're all gone.  This is important, since
>   occasionally, multiple copies of a font can be installed, and a font
>   can reappear after you deleted it.  If there are some fonts which
>   refuse to go away, reboot the system and try again.
> * In the Mathematica 5.1 installation directory, which is probably...
>       C:\Program Files\Wolfram Research\Mathematica\5.1
>   open the subdirectory
>       SystemFiles\Fonts\TrueType
> * Select all of the files in this directory, and drag them to the Fonts
>   control panel window.  You'll briefly get a progress dialog indicating
>   that the fonts are being installed.
> 
> Sincerely,
> 
> John Fultz
> jfultz at wolfram.com
> User Interface Group
> Wolfram Research, Inc.
> 
> 
> On Mon, 22 Nov 2004 01:28:44 -0500 (EST), Steve Luttrell wrote:
> 
>>That's what I see as well (Mathematica 5.1 on Windows XP), except that
>>the
>>
>>long vertical bar has a small empty rectangle at its upper right corner
>>(occasionally the rectangle is replaced by a small T). I'm fairly sure
>>this
>>isn't intentionally a new notation, so there must be a font problem
>>somewhere.
>>
>>Steve Luttrell
>>
>>"Murray Eisenberg" <murray at math.umass.edu> wrote in message
>>news:cnq2vo$2fs$1 at smc.vnet.net...
>>
>>>In the downloadable AddendumV51.pdf, the display of a piecewise
>>>definition, e.g., of
>>>
>>>Piecewise[{{x < 0, -1}, {x >= 0, 1}}]
>>>
>>>is shown with a large curly brace to the left of the pieces.  But in my
>>>Mathematica 5.1 under Windows 5.1, I see a long vertical bar.
>>>
>>>What do you see?
>>>
>>>--
>>>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
> 
> 
> 

-- 
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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