Allow TimeSolver tolerances relative to first step #184

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merged 2 commits into from Jan 2, 2014

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@roystgnr
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Specifying a negative tolerance now lets you avoid trying to directly
calculate or guess what a decent L2/H1/whatever error growth rate is,
by using a multiple of the growth rate observed at the initial time
step.

I haven't yet tested this, just thought I'd let folks take a look at the idea while I do.

roystgnr added some commits Dec 18, 2013
@roystgnr roystgnr Allow TimeSolver tolerances relative to first step
Specifying a negative tolerance now lets you avoid trying to directly
calculate or guess what a decent L2/H1/whatever error growth rate is,
by using a multiple of the growth rate observed at the initial time
step.
b0b8903
@roystgnr roystgnr Better AdaptiveTimeSolver documentation a753e16
@roystgnr
Member

Paul pointed out the need for documentation. If nobody else has concerns I'll merge this tomorrow.

@roystgnr roystgnr merged commit 907b99a into master Jan 2, 2014
@jwpeterson jwpeterson deleted the time_solver_tolerance branch Jan 2, 2014
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