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MathGroup Archive 2007

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Re: Re: Re: What to do in v. 6 in place of Miscellaneous`RealOnly

  • To: mathgroup at smc.vnet.net
  • Subject: [mg76850] Re: [mg76772] Re: [mg76731] Re: What to do in v. 6 in place of Miscellaneous`RealOnly
  • From: Selwyn Hollis <sh2.7183 at earthlink.net>
  • Date: Mon, 28 May 2007 01:11:12 -0400 (EDT)
  • References: <f33ork$l7l$1@smc.vnet.net> <f36go3$9rf$1@smc.vnet.net> <200705260842.EAA18740@smc.vnet.net> <200705270852.EAA03263@smc.vnet.net>

Apparently, it's now possible to load a package from a remote  
location on the web.

I put a simple init.m file that defines a function HexToDecimal at  
this url:

         http://www.math.armstrong.edu/faculty/hollis/init.m

Entering this quietly loads it:

         Import["http://www.math.armstrong.edu/faculty/hollis/init.m";]

For verification, enter this:

	?HexToDecimal

Stunning.


- Selwyn


On May 27, 2007, at 4:52 AM, Murray Eisenberg wrote:

> You've stumbled upon a long-standing problem I've faced with using
> Mathematica in an academic setting (or perhaps any setting) where
> systems are locked down by the folks whom maintain the systems: how to
> handle 3rd-party add-on packages.
>
> In my own experience, getting the packages installed on the students'
> own machines is not that big a deal provided the zip file (or  
> whatever)
> is properly assembled and the instructions are sufficiently clear and
> the students are able to follow direction.  (Hmm...the last IS a  
> bit of
> a problem: if only students read directions as carefully as I wrote  
> them!)
>
> The real problem resides with lab & classroom computers. Given
> sufficient advance notice, of course, such packages can be  
> incorporated
> into the standard software on the systems. (At my own institution, any
> package needed for the September semester needs to be in the hands of
> the IT folks no later than July 1, and preferably earlier; for the
> Spring semester, no later than Thanksgiving. This is a real pain.)
>
> I don't have a good solution to this.  Perhaps somebody at Wolfram
> Research will look into it.
>
> Helen Read wrote:
>> dimitris wrote:
>>> Hi Helen.
>>>
>>> I don't have version 6 but in case you don't know
>>> there is a much more flexible package named
>>> SwitchableRealOnly by Ted Ersek available at
>>>
>>> http://library.wolfram.com/infocenter/MathSource/560/
>>
>> I'll have a look at that, but I'm not keen on using a package that  
>> the
>> students would have to download and install themselves. (They use
>> Mathematica on their own laptops and in computer labs all over  
>> campus,
>> not just the classrooms maintained by the math department.)
>
> -- 
> 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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