# -*- coding: utf-8 -*-

"""Untitled0.ipynb

Automatically generated by Colaboratory.

Original file is located at

https://colab.research.google.com/drive/1iTL6MayQWD-2ih_Zbov6ppNQt-tDmMOV

"""

import numpy as np

import matplotlib.pyplot as plt

fig = plt.figure()

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

ax.set_xlim(-5,6)

ax.set_ylim(-6,5)

ax.set_zlim(-12,6)

ax.set_xlabel('x-axis')

ax.set_ylabel('y-axis')

ax.set_zlabel('z-axis')

# plot vector a = [-1 -5 -10] and b = [2 -1 2]

#ax.plot3D([-2], [-1], [2], marker='o', label='(2, -1, 2)')

ax.plot3D([-1], [-5], [-10], marker='o', label='P = (-1, -5, -10)')

ax.text(-1, -5, -10,'P')

# equation given line

ax.plot3D([5, 2],[3, -1],[4, 2], label = 'line (1.0.1)')

# equation line parallel to given line

ax.plot3D([5, -1], [3,-5], [4, -10], label='line (3.0.6)')

plt.legend()

plt.show()