import numpy as np
import matplotlib.pyplot as plt
pi = np.pi
xs = np.linspace(0, 2*pi, 50)
ys = np.sin(xs)
zs = np.cos(xs)
fig, ax = plt.subplots()
ax.plot(xs, ys, label="sin(t)")
ax.plot(xs, zs, label="cos(t)")
ax.set_xlabel("Angle t (radians)", size=12)
ax.set_ylabel("f (t)", size=12)
ax.set_title("The functions sin(t) and cos(t)")
ax.legend()
fig.show()
Alternative use of legend
function:ΒΆ
import numpy as np
import matplotlib.pyplot as plt
pi = np.pi
xs = np.linspace(0, 2*pi, 50)
ys = np.sin(xs)
zs = np.cos(xs)
fig, ax = plt.subplots()
ax.plot(xs, ys)
ax.plot(xs, zs)
ax.set_xlabel("Angle t (radians)", size=12)
ax.set_ylabel("f (t)", size=12)
ax.set_title("The functions sin(t) and cos(t)", size=14)
labels=["sin(t)", "cos(t)"]
ax.legend(labels)
fig.show()