Third order ARK IMEX scheme. This method has one explicit stage and four implicit stages.
Options Database
-ts_arkimex_type ars443 -
References:
+ 1. - U. Ascher, S. Ruuth, R. J. Spiteri, Implicit explicit Runge Kutta methods for time dependent Partial Differential Equations. Appl. Numer. Math. 25, (1997).
2. -This method is referred to as ARS(4,4,3) in http://arxiv.org/abs/1110.4375