相关疑难解决方法(0)

我必须像这样挑选一个对象数组:

import cPickle as pickle
from numpy import sin, cos, array
tmp = lambda x: sin(x)+cos(x)
test = array([[tmp,tmp],[tmp,tmp]],dtype=object)
pickle.dump( test, open('test.lambda','w') )

它会出现以下错误:

TypeError: can't pickle function objects

有办法吗？