1.y = ax + b
# -*- coding: utf-8 -*-
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(-5, 5, 1000)
y = x + 1
plt.plot(x, y)
plt.show()
2、z = ax + by + c
# -*- coding: utf-8 -*-
import numpy as np
from pylab import *
from mpl_toolkits.mplot3d import Axes3D
fig = figure()
ax = Axes3D(fig)
X = np.arange(-4, 4, 0.25)
Y = np.arange(-4, 4, 0.25)
X, Y = np.meshgrid(X, Y)
Z = X + Y + 1
ax.plot_surface(X, Y, Z)
show()