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

*To*: mathgroup at smc.vnet.net*Subject*: [mg61519] Re: [mg61512] Re: [mg61469] Re: DSolve and matrix form of system of equations*From*: Murray Eisenberg <murray at math.umass.edu>*Date*: Fri, 21 Oct 2005 00:38:03 -0400 (EDT)*Organization*: Mathematics & Statistics, Univ. of Mass./Amherst*References*: <200510140956.FAA28648@smc.vnet.net> <disld4$mf3$1@smc.vnet.net> <200510200307.XAA12761@smc.vnet.net> <200510200901.FAA21437@smc.vnet.net>*Reply-to*: murray at math.umass.edu*Sender*: owner-wri-mathgroup at wolfram.com

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

**References**:**DSolve and matrix form of system of equations***From:*"Matt" <anonmous69@netscape.net>

**Re: DSolve and matrix form of system of equations***From:*"Matt" <anonmous69@netscape.net>

**Re: Re: DSolve and matrix form of system of equations***From:*Chris Chiasson <chris.chiasson@gmail.com>