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Re: ode solver

To: Xao Ping <xao_ping@yahoo.com>
Subject: Re: ode solver
From: Spencer Graves <spencer.graves@pdf.com>
Date: Sat, 30 Jul 2005 18:40:04 -0700
Cc: s-plus user list <s-news@lists.biostat.wustl.edu>
In-reply-to: <20050728162242.60509.qmail@web54007.mail.yahoo.com>
References: <20050728162242.60509.qmail@web54007.mail.yahoo.com>
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax)
What software are you using? I have S-Plus Professional Editon 6.2.1, and I am unaware of any ordinary differential equation solver in S-Plus.

          spencer graves

Xao Ping wrote:

Dear All:
I am trying to make use of argument "restart" in the ordinary differential equations solver "ivp.ab". I need to output trajectories, i.e., solutions of the system of ODEs at the sequence of points (t1,t2,...,tN), not just a solution iat the final point. The help is pretty scarce in explaining how to use the argument restart. Please, help. Another issue related to "ivp.ab" is what exactly is included in the output list "other". No information in the help at all. thanks Xao Ping
R&R Pharmakinetics
Taiwan
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Spencer Graves, PhD
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