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

Re: poisson equation

• To: mathgroup at smc.vnet.net
• Subject: [mg43842] Re: poisson equation
• From: sean_incali at yahoo.com (sean kim)
• Date: Wed, 8 Oct 2003 04:48:02 -0400 (EDT)
• References: <blr1u8$3hr$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

i bought one. :D  well boththe textbook and the companion. got the
textbook on amazon for insanely low price. ( i'm so stoked)

can't wait for it to get here. 

apparently, wolfram has a "required" two-day turn around time for
their book orders.

what's with that? 



Selwyn Hollis <sh2.7183 at misspelled.erthlink.net> wrote in message news:<blr1u8$3hr$1 at smc.vnet.net>...
> I am loath to plug my own work in this forum, but since you asked for a 
> reference...
> You will find a reasonably thorough treatment of such problems in the 
> insanely low priced A Mathematica Companion for Differential Equations:
> 
> http://store.wolfram.com/view/book/ISBN0130463299.str
> 
> -----
> Selwyn Hollis
> http://www.math.armstrong.edu/faculty/hollis
> 
> 
> On Friday, October 3, 2003, at 02:28  AM, K L wrote:
> 
> > I am trying to solve poisson equation:
> >
> > diff(diff(u(y,z),y),y)  + diff(diff(u(y,z),z),z) = 1
> >
> > using separation of variables method.
> >
> > The boundary conditions for the problem are:
> >
> > u(1,z)=0
> > u(-1,z)=0
> > u(y,1)=0
> > u(y,-1)=0
> >
> >
> > can you please guide me to a good reference which will help me in
> > solving this problem using separation of variables.
> >
> > Do you know how to solve this equation using mathematica
> >
> >
> >