Matplotlib
绘制直线图:
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(-1, 1, 50)
print(x)
y = 2*x + 1
plt.plot(x, y)
plt.show()
直线与曲线并区分颜色线宽样式:
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(-1, 1, 50)
y1 = 2*x + 1
y2 = 2**x + 1
plt.!gure()
plt.plot(x, y1)
plt.!gure(num = 3, !gsize=(8, 5))
plt.plot(x, y2)
plt.plot(x, y1,
color='red', # 线颜色
linewidth=1.0, # 线宽
linestyle='--' # 线样式
)
plt.show()