我写了一个简单的函数
def rect(t):
field = np.zeros((len(t),3))
for i in range(len(t)):
if t[i] >=-10 and t[i] <=10:
field[i,1] = 1
else:
field[i,1] = 0
return field
并希望将其集成
from scipy import integrate
def S_elem(t):
return rect(t)[:,1]*integr
integrate.quad(S_elem, -10, 10)
我收到此错误
TypeError: object of type 'float' has no len()
我知道我可能不会使用numpy数组,但出于其他目的,我需要它。我怎么能够 执行集成而不删除numpy数组类型?
答案 0 :(得分:0)
您必须将float转换为numpy数组:
def rect(t):
t = np.atleast_1d(t)
field = np.zeros((len(t), 3))
field[:, 1] = abs(t) <= 10
return field