PsiEngine(engine name, model name)
PsiEngine selects the engine for the optimization model. Pass the name of the Engine, in quotes, as the first argument, Engine Name: Standard LSGRG Nonlinear, Standard LP/QP Quadratic, Standard Evolutionary, Standard Interval Global, or Standard SOCP Barrier. You may pass a model or sheet name, in quotes, for the last argument, model name, to indicate to ASP what model or worksheet the engine selection belongs.