# 3D-kromme

import matplotlib.pyplot as plt
import numpy as np

from mpl_toolkits import mplot3d

plt.figure (figsize = (8, 8))

ax = plt.axes (projection = "3d")

c = 10
x = np.linspace (0, 3, 1000)
y = -0.64760301386 * x**2 + 1.6094757082 * x + 1
z = c * 1.0905186774 * x / 3

ax.set_xlim ([0.00,     3.01])
ax.set_ylim ([2.01,     0.00])
ax.set_zlim ([0.00, c * 1.20])

ax.set (xlabel = "x", ylabel = "z", zlabel = "ct")

ax.set_aspect ("equal")
ax.plot3D (x, y, z, color = "red")

plt.show ()