Re: NonlinearFit array to function defined by NDSolve?

*To*: mathgroup at smc.vnet.net*Subject*: [mg44582] Re: NonlinearFit array to function defined by NDSolve?*From*: "Curt Fischer" <crf3 at po.cwru.edu>*Date*: Sat, 15 Nov 2003 02:05:10 -0500 (EST)*References*: <bp22i3$201$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

"L. Vergara" <lvergara at lauca.usach.cl> wrote in message news:bp22i3$201$1 at smc.vnet.net... I've always wondered a good way to do this too. You'll probably get lots of responses here but researching Google led me to a past post from this group: http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=b3v7s4%24kaf%241%40smc.vnet.net&rnum=3 (If you prefere instant clickability: http://tinyurl.com/v0n1 ) in which Carl Woll explains the matter nicely. -- Curt Fischer > Hi, > > could somebody help me with the following issue?: > > Regarding the package "Statistics'NonlinearFit", is it possible to fit > an > array of preexisting data with a function defined by NDSolve? > > Example: > > f[y_,a_,b_] :=NDSolve[x'[y] == (y^2/2 + a y + b)/Sqrt[1 -(y^2/2 + a y + > b)^2], x[0] == .6}, y, {y, 0, 1.5}]; > > Thanks in advance! > > Regards, > > Lautaro > > > >