Re: system of nonlinear ODE
- To: mathgroup at smc.vnet.net
- Subject: [mg23827] Re: system of nonlinear ODE
- From: Martin Stockhammer <martin.stockhammer at visualanalysis.com>
- Date: Sat, 10 Jun 2000 03:00:48 -0400 (EDT)
- Organization: Visual Analysis GmbH
- References: <8gv85p$5mt@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi Ioanna, please send your complete NDSolve call or the notebook. Did you use '==' for all equations? Bye Martin Stockhammer Ioanna Pappa wrote: > > Hi > I am trying to solve a system of two nonlinear ordinary differential > equations with initial conditions. > The system > is > f'''(x)+2.4f(x)f''(x)-0.8(f')**2+z=0 > z''(x)+2.4Pr[f(x)z(x)]'=0 > with z(0)=0, z'(0)=0, f''(0)=0, f(0)=0, f'(10)=0 > I use NDSolve end the message that gives me is: > NDSolve::deql: > The first argument must have both an equation and an initial condition. > Can you help me; > Gianna > ipappa at mie.uth.gr -- --- Martin Stockhammer Visual Analysis GmbH http://www.visualanalysis.com email: martin.stockhammer at visualanalysis.com