import numpy as np
import matplotlib.pyplot as plt

v1 = np.array([-6,4,2,8,12])
v2 = np.array([9,11,3,14,6])
v3 = np.array([22,1,4,-7,0])

v4 = np.array([8,-3,5])

print("v1 = ",v1,"\n")
print("v2 = ",v2,"\n")
print("v3 = ",v3,"\n")

print("Linear weighted combination (3 vectors):\n")
print(v4[0]*v1 + v4[1]*v2 + v4[2]*v3)

v5 = np.array([2,8,9,-4,1])

v4 = np.array([8,-3,5,2])
print("\nLinear weighted combination (4 vectors):\n")
print(v4[0]*v1 + v4[1]*v2 + v4[2]*v3 + v4[3]*v5)