MathGroup Archive 2002

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

Search the Archive

Method of line

  • To: mathgroup at smc.vnet.net
  • Subject: [mg36179] Method of line
  • From: "amar ali" <amar_109 at hotmail.com>
  • Date: Mon, 26 Aug 2002 04:15:57 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Dear Mathgroup
I have convert pde to ode like this

du_i/dt  =  1-4 u_i + .02 (u_i-1 ? 2 u_i + u i+1)/(delta (x))^3  + (u_i)^3 
v_i

dv_i /dt  =  3 u_i + .02 (v_i-1 ? 2 v_i +  u i+1)/(delta (x))^3  - (u_I)^3 
v_i

delta(x)=(i)/(N+1)

x_i=  (i)/(N+1)

Boundary condition
u_0  (t) = 1 = u_N+1(t)
v_0(t) = 3  = v_N+1(t),

Initial conditio
u_i(0) = 1+sin (2 pi  x_i  )
v_i = 3
For i = 1,?., N
Time Interval =[t_o, t_end] = [0,10]


Could i get code in Mathematica (by using Euler of 4 Runge - Kutta..)to 
solve this ordinary differential equation.
I am very happy if you give me help
With best regards
Khaled


_________________________________________________________________
MSN Photos is the easiest way to share and print your photos: 
http://photos.msn.com/support/worldwide.aspx



  • Prev by Date: Re: "a[A_,B_] :=" Does not assign variables properly. Why?
  • Next by Date: Re: Notebook Manipulation
  • Previous by thread: RE: Obtaining sequences from lists of lists
  • Next by thread: Re: Method of line