Re: Modelling Delay-Differential Equations
- To: mathgroup at smc.vnet.net
- Subject: [mg17272] Re: Modelling Delay-Differential Equations
- From: "Bill Bertram" <wkb at ansto.gov.au>
- Date: Fri, 30 Apr 1999 02:34:50 -0400
- Organization: Australian Nuclear Science and Technology Organisation
- References: <7g0srs$dvg@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Andrew J. Paul wrote in message <7g0srs$dvg at smc.vnet.net>... > >Mathematica is a useful tool for analyzing coupled ordinary differential >equations (e.g., phase plots, stability analysis, etc.); however, does >anyone know of an elegant way to analyze delay-differential equations >using Mathematica? Numerical techniques require using a ringbuffer to >store past values. I am not aware of a built-in function do this in >Mathematica; having to create a ringbuffer array manually may preclude >the benefits of using Mathematica over other numerical integration >packages. Hi Andrew, I don't know how useful this is, but there is a package in Mathsource/Enhancements/Numerical entitled NDelayDSolve.m which solves numerically delay differential equations. Cheers, Bill