Hello,

I've been working on an implementation of the Adams linear multistep methods with functional iteration for GSL ode-initval (msadams), and finally got a first beta for you to test and comment on. The source is available at the git repository mentioned below.

Please note the comments on file ode-initval/ChangeLog-Keskitalo. The biggest change is an addition to the step and control object structures to allow passing error tolerance to steppers. I'm afraid a change like this is really needed.

I'm planning to implement also the backward differentiation formula (BDF) methods with Newton iteration for stiff problems.

Kind regards,
Tuomo

On 11/03/2008 08:08 PM, Brian Gough wrote:

At Sun, 02 Nov 2008 19:34:53 +0200,
Tuomo Keskitalo wrote:
while waiting for a reference book on multistep methods to arrive, I've made some more modifications to current ode-initval, which I hope are now close to being ready to be included into GSL. The .git directory that should include the changes can be found at

http://iki.fi/tuomo.keskitalo/gsl/ode-initval-additions/.git

Thanks, I've retrieved it successfully (much easier than patches by email).

For those new to git the relevant commands to download it are

git remote add tuomo 
http://iki.fi/tuomo.keskitalo/gsl/ode-initval-additions/.git
git fetch tuomo
The branch name is then tuomo/master.

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