标签：03 plt ticks y1 坐标轴 good 设置 np new
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(-1,1,50)
y1 = 2*x+1
y2 = x**2
plt.figure()
plt.plot(x,y2)
plt.plot(x,y1,color='red',linewidth=1.0,linestyle='--')
#范围
plt.xlim((-1,2))
plt.ylim((-2,3))
#轴含义（标签）
plt.xlabel('X')
plt.ylabel('Y')
#更换下标
new_ticks = np.linspace(-1,2,5)
print(new_ticks)
plt.xticks(new_ticks)
plt.yticks([-2,-1.8,-1,1.22,3],
['really bad','bad','normal','good','realy good'])
plt.show()
标签：03,
plt,
ticks,
y1,
坐标轴,
good,
设置,
np,
new
From： https://www.cnblogs.com/lyc2001/p/17080702.html