파이썬으로 그래프 그리기 : y=sin(x) x축 그리기

파이썬으로 그래프 그리기 : y=sin(x) x축 그리기

>>> import numpy as np
>>> import matplotlib.pyplot as plt
>>> x=np.linespace(0, 2*np.pi,num=51)
>>> x = np.linspace(0, 2*np.pi, num = 51)
>>> y = np.sin(x)
>>> line = plt.plot(x, y)
>>> xmin, xmax, ymin, ymax = np.amin(x), np.amax(x), -1, 1
>>> plt.axis([xmin, xmax, ymin, ymax])
[0.0, 6.283185307179586, -1, 1]
>>> plt.plot([xmin, xmax], [0, 0], color='black', linewidth=4.0)
[<matplotlib.lines.Line2D object at 0x02F9C230>]
>>> plt.setp(line, color='red', linewidth=2.0)
[None, None]
>>> plt.xlabel("x")
Text(0.5,0,'x')
>>> plt.ylabel("y")
Text(0,0.5,'y')
>>> plt.title("plot example4")
Text(0.5,1,'plot example4')
>>> plt.show()