Groups > comp.soft-sys.math.mathematica > #16361

Re: Mathworld Utility Packages

From	David Bailey <dave@removedbailey.co.uk>
Newsgroups	comp.soft-sys.math.mathematica
Subject	Re: Mathworld Utility Packages
Date	2013-12-24 06:52 +0000
Message-ID	<l9bavi$klg$1@smc.vnet.net> (permalink)
References	<l96g62$8u3$1@smc.vnet.net>
Organization	Time-Warner Telecom

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On 22/12/2013 10:50, Syd Geraghty wrote:> Hi,
 >
 > Can someone please direct me to an updated source of Eric Weisstein's 
Mathworld Utility Packages that allows one to copy and run Mathworld 
notebooks in a newly set up Mathematica 9 environment (with standard 
setup configuration chosen).
 >
 > Online documentation dates back to Mathematica 6 from 2007.
 >
 > "For a list of Eric's math packages that may be needed to evaluate 
this notebook, see Mathematica Information Center's MathSource item 
4775.  A list of Eric's utility packages that may be needed to evaluate 
this notebook may be downloaded from MathSource item 5087".
 >
 > http://library.wolfram.com/infocenter/MathSource/5087/
 >
 > http://library.wolfram.com/infocenter/MathSource/4775
 >
 > Point to:
 >
 > MathWorldPackages.zip (994.8 KB) - Eric Weisstein's MathWorld 
Packages 2007-10-10 [for Mathematica 6.0]
 >
 >
 > But unzipping and inserting them per:
 >
 > "To use these packages in Mathematica, place them in a folder called 
MathWorld inside your $UserAddOnsDirectory/Applications directory (or 
any other directory on your $Path)".
 >
 > Then evaluating:
 >
 > <<MathWorld`SpecialFunctions`
 >
 > Gives output:
 >
 > SetDelayed::write: Tag Gudermannian in 
MakeBoxes[Gudermannian[z_],TraditionalForm] is Protected. >>
 > SetDelayed::write: Tag Haversine in 
MakeBoxes[Haversine[z_],TraditionalForm] is Protected. >>
 > SetDelayed::write: Tag InverseGudermannian in 
MakeBoxes[InverseGudermannian[z_],TraditionalForm] is Protected. >>
 > General::stop: Further output of SetDelayed::write will be suppressed 
during this calculation. >>
 >
 > MathWorld`SpecialFunctions` is not loaded.
 >

If you can't find a suitable version of this package, you could just add:

Unprotect[Gudermannian];
Unprotect[Haversine];
Unprotect[InverseGudermannian];

at the start of the package (just edit the .m file with a text editor). 
Unless there are further problems (unlikely), this will fix the problem.

David Bailey
http://www.dbaileyconsultancy.co.uk

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Mathworld Utility Packages Syd Geraghty <sydgeraghty@mac.com> - 2013-12-22 10:50 +0000
  Re: Mathworld Utility Packages David Bailey <dave@removedbailey.co.uk> - 2013-12-24 06:52 +0000
  Re: Mathworld Utility Packages MidwestGeek <mbeinhorn@gmail.com> - 2014-04-25 04:45 +0000

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