MathGroup Archive 2005

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

Search the Archive

Re: Re: Re: DSolve and matrix form of system of equations


A good way to learn exactly what these mapping operations do is to look 
at the "visual definitions" for some of them at:

  http://www.mathematica.co.kr/mathcomm/20_definitionviz/index.html

I believe that a similar thing appears on the Wolfram web site, but I 
can never find it there when I search.

Chris Chiasson wrote:
> Matt, to be honest, I don't really understand the details of how
> MapThread (or the others) works. I just know that when I see
> expressions of a particular structure and I need to transform them,
> they might be amendable to certain commands...
> I then try a few of them until I get what I want. That is probably not
> the best way to go about it, but, eh... o well.
> 
> Some good ones to try out:
> MapThread, Inner, Outer, Apply, Sequence, Flatten

-- 
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


  • Prev by Date: Re: regress versus fit - force through zero/force constant term to zero
  • Next by Date: Re: Set construction with condition
  • Previous by thread: Re: Re: DSolve and matrix form of system of equations
  • Next by thread: Re: DSolve and matrix form of system of equations