例2.44 求方阵
点击查看代码
from scipy.optimize import fsolve, root
fx = lambda x: x**980-5.01*x**979+7.398*x**978\
-3.388*x**977-x**3+5.01*x**2-7.398*x+3.388
x1 = fsolve(fx, 1.5, maxfev=4000) #函数调用4000次
x2 = root(fx, 1.5)
print(x1,'\n','-------------'); print(x2)
print("学号:2023310143004")