[Date Index] [Thread Index] [Author Index]

Re: Rearrangement of a sequence into random order

• To: mathgroup at smc.vnet.net
• Subject: [mg28436] Re: Rearrangement of a sequence into random order
• From: "Andre Giroux" <giroux at dms.umontreal.ca>
• Date: Thu, 19 Apr 2001 03:26:25 -0400 (EDT)
• References: <9bjg9m$gsn@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Hi Loren.
Here is one way to do it. Two lines. First, load a package:
   Needs["DiscreteMath`Permutations`"]
then type in
   RandomPermutation[n]
where n your data.
(See the Help > Add-On panel for more info.)

"Loren Dill" <lorendill at mediaone.net> a écrit dans le 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
>
>