Fanny

Thank you for your reply .It's a surprise to receive your reply so soon.When I use branch and price framework in SCIP ,it can't convergence quickly . So I want...

from pyscipopt import Model, Pricer, SCIP_RESULT, SCIP_PARAMSETTING, quicksum class CutPricer(Pricer): # The reduced cost function for the variable pricer def pricerredcost(self): # Retrieving the dual solutions dualSolutions = [] for...

In CBC there is an special hack to produce more solutions: whenever the solver finds one solution tell the solver that the solution is invalid and keep the search going...