-1
私は多項式ルジャンドルleg_f
含む関数I
、統合しようとしています:はAttributeError: 'poly1d' オブジェクトは、 'is_commutative' は属性を持っていない
import math
import numpy as np
from mpmath import *
from sympy import *
from scipy.special import legendre
n = 3
c = lambda h_c,z,R : (z**2+h_c**2)**0.5
c_supp = lambda h_c,z,R : (z**2+h_c**2)**(-n)
x = lambda h_x,z,R : -4*R*(R-h_x)/c(h_x,z,R)**2
leg_f = lambda h_l,z,R : legendre(n-1,(1-0.5*x(h_l,z,R))/(1-x(h_l,z,R))**0.5)
f_f_symb = lambda h_v,z,R : hyper((n, 0.5), (1), (-4*R*(R-h_v)/(z**2+h_v**2)))
I = lambda h_i,z_i,R_i : c_supp(h_i,z_i,R_i)*(1-x(h_i,z_i,R_i))**(-n/2)*leg_f(h_i,z_i,R_i)
h_i,z_i,R_i = symbols('h_i z_i R_i')
int_result = integrate(I(h_i,z_i,R_i), (z_i, 0, np.inf))
をしかし、私はエラーを取得
Traceback (most recent call last):
File "test.py", line 99, in <module>
int_result = integrate(I(h_i,z_i,R_i), (z_i, 0, np.inf))
File "/Users/Library/Python/2.7/lib/python/site-packages/sympy/integrals/integrals.py", line 1276, in integrate
integral = Integral(*args, **kwargs)
File "/Users/Library/Python/2.7/lib/python/site-packages/sympy/integrals/integrals.py", line 75, in __new__
obj = AddWithLimits.__new__(cls, function, *symbols, **assumptions)
File "/Users/Library/Python/2.7/lib/python/site-packages/sympy/concrete/expr_with_limits.py", line 389, in __new__
obj.is_commutative = function.is_commutative # limits already checked
AttributeError: 'poly1d' object has no attribute 'is_commutative'
何が問題なの? sympyでそのような関数を統合するのは正しい方法ですか?
ありがとうございます! – ani87