import numpy as np
A = np.array([[1, 1], [2, -4]])
b = np.array([3, 0])
x = np.linalg.solve(A, b)
print(x)
b_2 = np.dot(A, x)
print(b_2)
v_1 = np.array([[1], [2]])
v_2 = np.array([[1], [-1]])
M = np.hstack((v_1, v_2))
print(M)

60a3c30a294b3d05bb1e23984a7dd573034434a2
<mask token>

<mask token>
print(x)
<mask token>
print(b_2)
<mask token>
print(M)

<mask token>
A = np.array([[1, 1], [2, -4]])
b = np.array([3, 0])
x = np.linalg.solve(A, b)
print(x)
b_2 = np.dot(A, x)
print(b_2)
v_1 = np.array([[1], [2]])
v_2 = np.array([[1], [-1]])
M = np.hstack((v_1, v_2))
print(M)

import numpy as np
A = np.array([[1, 1], [2, -4]])
b = np.array([3, 0])
x = np.linalg.solve(A, b)
print(x)
b_2 = np.dot(A, x)
print(b_2)
v_1 = np.array([[1], [2]])
v_2 = np.array([[1], [-1]])
M = np.hstack((v_1, v_2))
print(M)
