import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D

v = np.array([[0.1, 0.2, 0.3, -0.4, -0.1], [0.03, -0.1, 0.6, -0.4, 0.25]], dtype=np.float128)

fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')