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MathGroup Archive 2001

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Re: Rearrangement of a sequence into random order

  • To: mathgroup at smc.vnet.net
  • Subject: [mg28443] Re: Rearrangement of a sequence into random order
  • From: "Lawrence A. Walker Jr." <lwalker701 at earthlink.net>
  • Date: Thu, 19 Apr 2001 03:26:31 -0400 (EDT)
  • Organization: Morgan State University, COMSARE
  • References: <9bjg9m$gsn@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Loren,

Just install the following package:
<< DiscreteMath`Permutations`
Then execute ...

RandomPermutation[20]

That's it.

Lawrence


"Loren Dill" <lorendill at mediaone.net> wrote in message
news:9bjg9m$gsn at smc.vnet.net...
> Hi,
>
> I'm a math teacher, and need to prepare exams from time to time.  I
> typically prepare questions for the exam in a sequential order starting at
> the beginning of the material and going to the end.  I may have something
> like 20 short-answer questions.  I want a program that will randomize the
> order of the questions.  In other words, I want to provide n, the number
of
> questions, and have the program provide a list of length n that contains
all
> the numbers from 1 to n in a random order without any number being
repeated
> or omitted.  I'm sure that this is an easy task for Mathematica, but I
can't
> figure out the best way to do it.
>
> Loren Dill
>
>
>



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