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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: [mg76868] Re: [mg76772] Re: [mg76731] Re: What to do in v. 6 in place of Miscellaneous`RealOnly
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Tue, 29 May 2007 04:52:41 -0400 (EDT)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <f33ork$l7l$1@smc.vnet.net> <f36go3$9rf$1@smc.vnet.net> <200705260842.EAA18740@smc.vnet.net> <200705270852.EAA03263@smc.vnet.net> <6063CBD7-7FB9-4719-90F7-DE917481A78E@earthlink.net>
  • Reply-to: murray at math.umass.edu

Will such an Import handle correctly contexts from an "ordinary" package?

(The web server I use for most things is out of service at the moment, 
so I cannot test that.)


Selwyn Hollis wrote:
> 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
>>
> 

-- 
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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