我编辑我的代码,包括所有涉及的参数和变量:
(D 是从 Python 导入的 numpy 矩阵)
import pyomo
from pyomo.environ import *
from array import *
import numpy as np
import scipy as sp
from diff_matrix import D ##N=10????
print(D)
m =ConcreteModel()
...
m.n = Param(initialize = 10, within = Integers)
m.Ns = Set(initialize = range(0,value(m.n)))
m.x1 = Var(m.N, domain = Reals)
m.D = Param(m.N, m.N, initialize=D)
m.f_x1 = Var(m.N)
def f_x1_definition(model,i):
return m.f_x1[i] == sum(m.x1[j]*m.D[i,j] for j in range(value(m.n)))
m.f_x1_const = Constraint(m.Ns, rule = f_x1_definition)
但我得到下一个错误:
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
有什么帮助吗?