Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2006
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2006

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

Search the Archive

Re: Setting up equations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg66024] Re: Setting up equations
  • From: "Chris Chiasson" <chris.chiasson at gmail.com>
  • Date: Thu, 27 Apr 2006 02:26:20 -0400 (EDT)
  • References: <e2nd3i$33m$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

You probably realize that 5==a,6==b, and 7==c isn't the only solution.
Also, depending on the values of x, y, and z, I am not sure if 5, 6,
and 7 are valid solutions.

eqn=5 x+6 y+7 z\[Equal]a x+b y+c z
FindInstance[eqn,{a,b,c,x,y,z},Reals,4]
Thread[CoefficientArrays[#,{x,y,z}][[2]]&/@eqn]


  • Prev by Date: Help on simplifying symbolic sum?
  • Next by Date: Re: Printing Lists to file without {}
  • Previous by thread: Re: Setting up equations (Revision)
  • Next by thread: Re: Setting up equations