数学建模例题2.44 求方阵

`from scipy.optimize import fsolve, root
fx = lambda x: x980-5.01*x979+7.398x**978
-3.388x977-x3+5.01x**2-7.398x+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：3005")`