例2.34 求解线性方程组

import numpy as np
a = np.array([[3,1],[1,2]])
b = np.array([9,8])
x1 = np.linalg.inv(a) @ b
 
x2 = np.linalg.solve(a,b)
print(x1);print(x2)

print("学号：3008")

结果如下