Re: solve differential equation problem
- To: mathgroup at smc.vnet.net
- Subject: [mg68856] Re: solve differential equation problem
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Mon, 21 Aug 2006 03:28:24 -0400 (EDT)
- References: <ec97dc$4b3$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
can you explain your problem by an example ?
that is *not* solved by Mathematica *and*
produce the error message below ??
Regards
Jens
elvis wrote:
> Here we often use mathematica to solve differential equations, when I
> encouter a equation with several constrains I set them to those values.
> But it cannot solve it and have the following warnings:
>
> DSolve::deqx: Supplied equations are not differential equations of
> the given functions.
>
> Give a very simple differential equation here:
>
> DSolve[{y'[x] == r*y[x], y[0] == a}, y, x]
>
> Can anyone help to "solve" this problem for me?
> Thanks!
>