matplotlib legend
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", label="sine")
plt.plot(x, y2, "-r", label="cosine")
plt.legend(loc="upper left")
plt.ylim(-1.5, 2.0)
plt.show()plt.legend(
plt.legend(['first', 'second']);legend matplotlib
import matplotlib.pyplot as plt
#define x and ysin
plt.plot(x,ysin,label='sin(x)')
plt.legend()
plt.show()python no label in legend matplot
ax.plot(randn(1000).cumsum(), 'k.', label='_nolegend_')Copyright © 2021 Codeinu
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