Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
1997
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 1997

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

Search the Archive

Re: Help with Iteration.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg8618] Re: [mg8610] Help with Iteration.
  • From: Wouter Meeussen <w.meeussen.vdmcc at vandemoortele.be>
  • Date: Fri, 12 Sep 1997 04:10:34 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

Oops,

better make that :
Table[{x[i+1]=f[x[i],y[i]],y[i+1]=z[x[i],y[i]]}  ,{i,5}]
and go easy on the "{i,5}", it doubles each time in length,
and 2^20 is about 1,000,000 as you know.

wouter.


>Date: Tue, 09 Sep 1997 15:13:33
>To: Alan Hunter <akh6n at virginia.edu>
>From: Wouter Meeussen <w.meeussen.vdmcc at vandemoortele.be>
To: mathgroup at smc.vnet.net
>Subject: [mg8618] Re: [mg8610] Help with Iteration. 
>
>maybe Table[         {x=f[x,y],y=z[x,y]}   ,{20}] ?
>or
>maybe Table[Evaluate[{x=f[x,y],y=z[x,y]}]  ,{20}] ?
>
>
>wouter.
>
>
>At 03:07  09.09.97 -0400, you wrote:
>>This question might seem pretty basic, but I'm new to Mathematica. 
>>Thanks for all the responses I got from my last question.  They were all
>>very helpful.  It is always interesting to see several different
>>approaches to the same problem.  I am having a little trouble
>>translating a Do statement into a Table command.  How would you write a
>>statement like   Do[Print[{x,y}]; x=f[x, y]; y=z[x, y], {20}]  , but
>>that would output to a table.  ie the output would be in the form of
>>{{a, a}, {b, b}, {c, c}, ...} and not just a series of XY pairs printed
>>vertically.  Thanks in advance for any insights you might provide.
>>
>>Alan Hunter <akh6n at virginia.edu>
>>The University of Virginia
>>
>>
>>
>>
>

NV Vandemoortele Coordination Center
Oils & Fats Applied Research
Prins Albertlaan 79
Postbus 40
B-8870 Izegem (Belgium)
Tel: +/32/51/33 21 11
Fax: +/32/51/33 21 75
vdmcc at vandemoortele.be


  • Prev by Date: Re: Re: programing: reduce list to cycle
  • Next by Date: Re: Something like Flatten
  • Previous by thread: Help with Iteration.
  • Next by thread: RE: make 1. x 10^-10 read 10^-1