Re: Kernel Crashing with NDSOlve

*To*: mathgroup at smc.vnet.net*Subject*: [mg73724] Re: [mg73663] Kernel Crashing with NDSOlve*From*: "Chris Chiasson" <chris at chiasson.name>*Date*: Sun, 25 Feb 2007 04:44:25 -0500 (EST)*References*: <ermdtt$i3t$1@smc.vnet.net> <200702240713.CAA09152@smc.vnet.net>

Your command gives a solution with Mathematica 5.2 on my Windows XP box. On 2/24/07, pradeep <pradeep_bsb at yahoo.com> wrote: > Hi all > i have this rather innocuous looking NDSolve command thats crashing the > mathematica kernel, > NDSolve[{y'[x]==Min[s[x]+Sin[x],Cos[x]-s[x]],y[0]==0,s[x]==x^2},{y,s},{x,0,3}] > > If i were to substitute s[x] in this equation with x^2 and then try solving, > i get an answer, if i assign s[x] in advance and try solving it, i still get > an answer but the nature of the algorithm followed by NDSolve doesnt allow > it to take s[x] as a dependent variable and still have it occur inside the > Min function! i find that weird! > Someone have an explanation?? > thanks in advance! > Pradeep > p.s. also note the that the nature of my application is such that i'd like > to solve this bunch of equations in a single shot without assignment > statements hence i dont have use for the two approaches that i mentioned > worked. > > > > -- http://chris.chiasson.name/

**References**:**Kernel Crashing with NDSOlve***From:*"pradeep" <pradeep_bsb@yahoo.com>