Re: Solving
- To: mathgroup at smc.vnet.net
- Subject: [mg48438] Re: Solving
- From: "Peter Pein" <petsie at arcor.de>
- Date: Sat, 29 May 2004 03:07:05 -0400 (EDT)
- References: <c8vb0i$4kf$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
"Kishore Pillarisetty" <kishore.pillarisetty at SierraAtlantic.com> schrieb im Newsbeitrag news:c8vb0i$4kf$1 at smc.vnet.net... > > Hi, > > We are trying to solve the equations as attached with this mail. > > 1 )One of our customers has been encountering the problem in Mathematica 4.2 > on windows, Here I am enclosing the math_nd.nb file. > > The enclosed Mathematica notebook file "math_nd.nb" lists all the steps we > followed. All the results are OK except for the last one where the below > listed error is encountered. Request your help in solving the same. > > NDSolve::ndnum:Encountered non-numerical value for a derivative at > t==2.457555147773575' * 175. Where as {t,0,1}. and not able to generate > the result Plot. > > 2) The last Input problem (in green colour) involves solving 13 equations > with 5 Lambda parameters) > The last Input problem (in red colour) involves solving 14 equations with 6 > Lambda parameters). THIS IS WHERE WE ARE FACING THE PROBLEM. Mathematica > Kernel seems to solve the problem for infinite time but does not provide any > solution. We had to manually kill the Kernel to exit from this process. > > Request you to suggest a suitable solution. Look forward to your reply at > the earliest. > > > > Regards > > Kishore > Product Manager > Sierra Atlantic Software Services Ltd > Karthik House, Road No. 14 > Banjara Hills > Hyderabad 500 034 > India > > Ph: +91 40 55745550 > 1.) to assign a value to a variable: don't miss "=" or Set 2.) change all occurence of (Sec^2)[] to Sec[]^2 I don't know if these are all errors, because I don't have got enough memory on my machine for this problem. Peter -- Peter Pein, Berlin to write to me, start the subject with [