This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
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ButcherPhi[tree, s]
gives the weight of tree in an s-stage Runge-Kutta method.
gives the weight of tree in stage independent tensor notation.
  • The weight of tree is the left hand side of the order conditions imposed by tree.
  • The following option can be given:
RungeKuttaMethod$RungeKuttaMethodtype of Runge-Kutta method