问题描述
我正在尝试将我的问题从LINGO软件改编为Playtpus语言,但我无法运行此代码。有人可以告诉我哪里出了问题吗?代码是:
#variaveis
S_preco = 1069.23;
F_preco = 1071.09;
OB_preco = 2006.66;
OR_preco = 2669.21;
B_preco = 2540.47;
S_custo = 533.17;
F_custo = 569.89;
OB_custo = 1384.39;
OR_custo = 1466.34;
B_custo = 2389.89;
S_total = 2329278;
S_percentoleo = 0.2057;
C_percentoleo = 0.0064;
OBF_percentoleo = 0.22;
OR_massamolar = 873*0.000001;
M_massamolar = 32*0.000001;
B_massamolar = 292*0.000001;
G_massamolar = 92*0.000001;
S_capacidade = 3600000;
OR_capacidade = 367200;
B_capacidade = 887760*(880/1000);
S_demanda = 80638;
F_demanda = 398984;
OB_demanda = 164700;
OR_demanda = 164700;
B_demanda = 77634;
from platypus import NSGAII,Problem,Real
def belegundu(vars):
S_comercio = vars[0]
F_comercio = vars[1]
OB_comercio = vars[2]
OR_comercio = vars[3]
B_total = vars[4]
S_insumo = vars[5]
C_insumo = vars[6]
OB_total = vars[7]
OR_total = vars[8]
OR_biodiesel = vars[9]
MOL = vars[10]
M_insumo = vars[11]
G_comercio = vars[12]
return [-1*(S_comercio*S_preco - S_comercio*S_custo + F_comercio*F_preco - F_comercio*F_custo + OB_comercio*OB_preco - OB_comercio*OB_custo + OR_comercio*OR_preco - OR_comercio*OR_custo + B_total*B_preco - B_total*B_custo),1],[S_total - S_comercio - S_insumo,S_insumo - C_insumo - F_comercio - OB_total,C_insumo - 0.04*S_insumo,OB_total - (F_comercio*OBF_percentoleo)/(1 - OBF_percentoleo),OB_total - OB_comercio - OR_total,OR_total - OR_comercio - OR_biodiesel,OR_biodiesel - MOL*OR_massamolar,M_insumo - 3*MOL*M_massamolar,B_total - 3*MOL*B_massamolar,G_comercio - MOL*G_massamolar,S_insumo - S_capacidade,OR_total - OR_capacidade,B_total - B_capacidade,S_comercio - S_demanda,F_comercio - F_demanda,OB_comercio - OB_demanda,OR_comercio - OR_demanda,B_total - B_demanda]
problem = Problem(13,2,18)
problem.types[:] = [Real(0,2329278),Real(0,2329278)]
problem.constraints[0] = "==0"
problem.constraints[1] = "==0"
problem.constraints[2] = "==0"
problem.constraints[3] = "==0"
problem.constraints[4] = "==0"
problem.constraints[5] = "==0"
problem.constraints[6] = "==0"
problem.constraints[7] = "==0"
problem.constraints[8] = "==0"
problem.constraints[9] = "==0"
problem.constraints[10] = "<=0"
problem.constraints[11] = "<=0"
problem.constraints[12] = "<=0"
problem.constraints[13] = ">=0"
problem.constraints[14] = ">=0"
problem.constraints[15] = ">=0"
problem.constraints[16] = ">=0"
problem.constraints[17] = ">=0"
problem.function = belegundu
algorithm = NSGAII(problem)
algorithm.run(10000000)
问题是:
ValueError Traceback (most recent call last)
<ipython-input-3-e2272cbb5469> in <module>()
58
59 algorithm = NSGAII(problem)
---> 60 algorithm.run(10000000)
10 frames
/usr/local/lib/python3.6/dist-packages/platypus/core.py in evaluate(self,solution)
187
188 if self.nconstrs > 0:
--> 189 (objs,constrs) = self.function(solution.variables)
190 else:
191 objs = self.function(solution.variables)
ValueError:没有足够的值可解包(预期2,得到1)
我不明白自己做错了什么。有人可以帮助我吗?有人知道Python库中的Playtpus工具吗?
解决方法
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