1
import numpy as np
import matplotlib.pyplot as plt
x = np.array([1,2,3,4,5,6,7,8])
y = np.array([1,4,9,16,7,11,23,18])
sizes =np.array([20,50,100,200,500,1000,60,90])
colors =np.array(["red","green","black","orange","purple","beige","cyan","magenta"])#图标颜色
#scatter方法将数据插入散点图
plt.scatter(x,y,s=sizes,c=colors)
plt.title('scatter')
plt.show()
2
import numpy as np
import matplotlib.pyplot as plt
#准备数据
ypoints=np.array([5,6,8,45,56,12,45,31,2,89])
ypoints2=np.array([5,6,8,45,56,12,45,31,2,89])*2
#数据放进图表
# plt.plot(ypoints,'o:g')
# plt.plot(ypoints,marker='o',linestyle=':',color='g')
plt.plot(ypoints,marker='o',ls=':',c='g',linewidth='2')
plt.plot(ypoints2)
#添加标题，x轴名字，y轴名字
plt.title("table")
plt.xlabel('x-label')
plt.ylabel('y-label')
#添加网格
plt.grid()
#显示
plt.show()
3
import numpy as np import matplotlib.pyplot as plt ypoints=np.array([5,6,8,45,56,12,45,31,2,89]) #分配第一个表的位置,一行两列的第一个位置 plt.subplot(1,2,1) plt.plot(ypoints,marker='o',ls=':',c='g',linewidth='2') ypoints2=np.array([5,6,8,45,56,12,45,31,2,89])*2 #分配第一个表的位置,一行两列的第二个位置 plt.subplot(1,2,2) plt.plot(ypoints2) plt.show()
4
import numpy as np import matplotlib.pyplot as plt #随机生成0到1之间50个数据 x = np.random.rand(50) y = np.random.rand(50) #指定子表位置 plt.subplot(1,2,1)#两个图形分开 plt.scatter(x,y,color='green') #随机生成0到1之间50个数据 x2 = np.random.rand(50) y2 = np.random.rand(50) #指定子表位置 plt.subplot(2,2,2)#两个图形分开 plt.scatter(x2,y2,color='red') plt.show()
