Re: Solving system of differential integral algebraic equations in Mathematica!

*To*: mathgroup at smc.vnet.net*Subject*: [mg81391] Re: Solving system of differential integral algebraic equations in Mathematica!*From*: dr DanW <dmaxwarren at gmail.com>*Date*: Fri, 21 Sep 2007 03:14:00 -0400 (EDT)*References*: <fct99t$r5m$1@smc.vnet.net>

On Sep 20, 2:59 am, pradeep <prad... at purdue.edu> wrote: > Hi All, > I have trouble getting Mathematica to solve my Integro-Differential > system of equations with either NDSolve or FindRoot. I have a system of > equations that include a differential, an algebraic and an integral > equation. Is there any command that can solve this system > simultaneously?? This can probably be solved by rewriting the equations > using discretization but i wanted to know if Mathematica could solve it > in a more elegant way. > > PLz let me know, > Thanks in advance! > > Pradeep I have used NDSolve to solve DAE's (Differential-Algebraic Equations) of index 1, but solving DAE's is an ugly speciality all its own and require a lot more work than ODE's. I suggest reading Brenan, K.E., et al, "Numerical Solution of Initial-Value Problems in Differential- Algebraic Equations," #14 Classics in Applied Mathematics, 1996, SIAM.