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6 votes

Does this second-order implicit Runge-Kutta method have a name?

As Wolfgang stated in the comments, this is not a traditional RK due to the inconsistent time evaluations within a stage. At first it would seem it can't even be cast as an additive RK since terms ...
Steven Roberts's user avatar
0 votes

Estimating the spectral radius when applying the method of lines

ROCK4 is similar to RKC. Its authors use a modified power method to estimate the spectral radius automatically when it is not provided : see
Laurent90's user avatar
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