使用sympy,我有两个列表:coefficients = [-1,8.1,7]-1+8.1*x+7*x(x-1)print (sum(a,x__i) for a, x__i in izip(terminos,coeficientes))def lag_l(xx, j): parts = ((x - x_i) / (xx[j] - x_i) for i, x_i in en
我将字符串拆分并转换为int,并希望使用mul运算符直接乘。但是当打印最后一个输出时,它们是一个错误。from operator import mul input_string = input("Enter numbers for summing :")range(len(user_list)):
# calc the mulof the