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: Simple question from a biologist

  • To: mathgroup at smc.vnet.net
  • Subject: [mg67157] Re: Simple question from a biologist
  • From: bghiggins at ucdavis.edu
  • Date: Sun, 11 Jun 2006 02:17:12 -0400 (EDT)
  • References: <e6e27d$1tp$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

I think you problem is that you did not leave a space between A and x
in rate=Ax
 The following should help


rate = A*x /. Sol

{(x*y*z)/(x*y + x*z + y*z)}

etc,

Cheers,

Brian


tnad wrote:
> I'm a bit new to this so please bear with me. I solved this eqation:
>
> Sol = Solve[{{{-x, 0, z}, {x, -y, 0}, {0, y, -z}}.{A, B, C} == 0, A + B + C == 1}, {A, B, C}]
>
> and got the ouputs of A, B and C interms of x,y, and z each.
>
> Now I want to express a term called "rate" where rate = Ax = By = Cz in terms of x, y and Z only.
>
> So I tried to do this:
> Solve[rate == Ax , rate] /. Sol
>
> but I cannot get the rate in terms of x,y and z.
> Is there a better way to do this? Also if someone knows of a better tuttorial (better than the built-in tuttorial) for mathematica, please let me know.


  • Prev by Date: List manipulation question
  • Next by Date: Re: Simple question from a biologist
  • Previous by thread: Simple question from a biologist
  • Next by thread: Re: Simple question from a biologist