PerturbModel
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class PerturbModel : public feasst::Perturb
Change the ModelExpanded::model_index by plus or minus one.
Arguments
args:
potential_index: index of potential with model_index (default: 0).
Public Functions
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void perturb(System *system, TrialSelect *select, Random *random, const bool is_position_held = false, Acceptance *acceptance = NULL)
Perturb the selection of the system.