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

Re: Finding solutions to differential eqns

• To: mathgroup at smc.vnet.net
• Subject: [mg40124] Re: Finding solutions to differential eqns
• From: "Bill Bertram" <wkb at ansto.gov.au>
• Date: Fri, 21 Mar 2003 02:38:33 -0500 (EST)
• Organization: Australian Nuclear Science and Technology Organisation
• References: <b5bjbn$5qp$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

"David" <davidol at hushmail.com> wrote in message
news:b5bjbn$5qp$1 at smc.vnet.net...
> Is there a method where you can get Mathematica to find general
> solutions for differential equations?  For example:
>
> [2xt(1 + t)]dx/dt = 1 + x^2
>
> dx/dt = (t/x)e^(-x/t) + x/t
>
> and
>
> dx/dt = (t - 4)e^4t + tx
>
> I have access to version 4.0

David,

If you have acess to version 4.0, I suggest you try the following.

1. Start Mathematica.
2. Click on "Help Browser"
3. Click on "Algebraic Computation"
4. Click on "Equation Solving"
5. Click on "DSolve"
6. Follow the instructions and look at the examples.

Cheers,
 Bill