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https://issues.apache.org/jira/browse/MATH-214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luc Maisonobe resolved MATH-214.
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Resolution: Fixed
fixed as of r675552
> fixed step Runge-Kutta integrators slightly change step size
> ------------------------------------------------------------
>
> Key: MATH-214
> URL: https://issues.apache.org/jira/browse/MATH-214
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 1.2
> Environment: all
> Reporter: Luc Maisonobe
> Assignee: Luc Maisonobe
> Fix For: 2.0
>
>
> When a fixed step Runge-Kutta integrator is used, it may slightly change the
> step size for all integration range.
> This is due to a step recomputation feature which ensures the last step ends
> exactly at the end of the range.
> This feature should be removed, since it is unnatural and does not obey users
> choices.
> It should be replaced by the same kind of solution already adopted for
> discrete events: truncating only the last step.
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