matplotlib 绘图

matplotlib 绘图

import matplotlib.pyplot as pt

import numpy as np
x = np.arange(0,5,0.1)
y = np.sin(x)
pt.plot(x,y)

[<matplotlib.lines.Line2D at 0x7815630>]

pt.show()

设置线型

pt.plot(x,y,'o')

[<matplotlib.lines.Line2D at 0x7a32160>]

pt.show()

设置颜色

pt.plot(x,y,'ro');

pt.show()

设置rgb颜色

pt.plot(x,y,'o',markerfacecolor='#ff00ff')

[<matplotlib.lines.Line2D at 0x7d74d68>]

pt.show()

设置标记的大小

pt.plot(x,y,'o',markersize=16)
pt.show()