Could someone please help me understand the error in my code? I based it on the farmer example from the link provided, but I’m unable to figure out why the model isn’t being created. I have noted the error message in the last line. Thanks in advance! https://mpi-sppy.readthedocs.io/en/latest/examples.html import numpy as np sims = 1000 mu_1, sigma_1 = 0.83, 1.462 w_1 = np.random.normal(mu_1, sigma_1, sims) mu_2, sigma_2 = 0.5, 1.384 w_2 = np.random.normal(mu_2, sigma_2, sims) mu_3, sigma_3 = 0.5, 1.258 w_3 = np.random.normal(mu_3, sigma_3, sims) w = [w_1, w_2, w_3] Szenario = {} for k in range(sims): j=k+1 Szenario[f's_{j}'] = [w_i[k] for w_i in w] import mpisppy.utils.sputils as sputils def scenario_creator(scenario_name): if scenario_name in Szenario: Rendite = Szenario[scenario_name] else: raise ValueError("Unrecognized scenario name") model = build_model(Rendite) sputils.attach_root_node(model, model.Stufe_1, [model.X]) model._mpisppy_probability = 1.0 / sims return model from mpisppy.opt.ef import ExtensiveForm options = { "solver": "ipopt", "tol": 1e-7, "max_iter": 100, "tee": True } all_scenario_names = list(Szenario.keys()) ef = ExtensiveForm(options, all_scenario_names, scenario_creator) results = ef.solve_extensive_form() objval = ef.get_objective_value() print(f"{objval:.10f}") Error: NameError: name 'build_model' is not defined Continue reading...
