Re: a problem about NDSolve and NIntegrate
- To: mathgroup at smc.vnet.net
- Subject: [mg79973] Re: a problem about NDSolve and NIntegrate
- From: ben <benjamin.friedrich at gmail.com>
- Date: Fri, 10 Aug 2007 01:39:46 -0400 (EDT)
- References: <f9emog$lpq$1@smc.vnet.net>
Dear Lynn, please provide a short, but self-contained code example of your problem. Bye Ben On 9 Aug., 11:28, lynn <lynn0... at gmail.com> wrote: > Hello, > > I'm tring to solve a diffrential equation with > > its upper boundary as a variable. > > and then I want to integrate it, and define > > it as a funcion with two variable. > > However, I don't know why it doesn't work at the second step. > > my equation is as following, > > f[c_?NumberQ]:=y[x]/.NDSolve[{eqn,y[0]==1,y'[0]==0},y,{x,0,c},MaxSteps- > > >10000][[1]] > > n[w_NumberQ,c_NumberQ]:=NIntegrate[c*y[x]*(r-w)],{r,w,1}] > > function f works well, however there's some problem in funcion n, > > and it's confused me for a long time..., > > thanks for your help!! > > Best Regards!! > Lynn