Re: Hi, please help to resolve this time delay problem. thanks in
- To: mathgroup at smc.vnet.net
- Subject: [mg86510] Re: Hi, please help to resolve this time delay problem. thanks in
- From: foxvexon <yulinwei at gmail.com>
- Date: Wed, 12 Mar 2008 05:37:10 -0500 (EST)
- References: <fqisu7$mbs$1@smc.vnet.net> <fqlmq4$jfm$1@smc.vnet.net>
On Mar 5, 9:49=A0am, Jens-Peer Kuska <ku... at informatik.uni-leipzig.de> wrote: > Hi, > > http://library.wolfram.com/infocenter/MathSource/725/ > > may help. > > Regards > =A0 =A0Jens > > > > foxvexon wrote: > > Recently, I am trying to build up a model involving resolving some > > time delay problem like the follow (for a simple example): > > > NDSolve[{x[t] == t, y[t] == x[t + 2], x[0] == 0}, {x, y}, {t= , 1, 2}] > > > For this one, anybody can easily figure out the solution even at first > > glance, but Mathematica replies me with > > > NDSolve::ndinnt: "Initial condition Automatic[1.] is not a number or a > > rectangular \ > > array of numbers". > > > Could anybody give me a help? > > Merci beaucoup!- Hide quoted text - > > - Show quoted text - Thank you very much for this imformation!