Python 图形绘制详细

# importing the required module

import matplotlib.pyplot as plt



# x axis values

x = [1,2,3]

# corresponding y axis values

y = [2,4,1]



# plotting the points

plt.plot(x, y)



# naming the x axis

plt.xlabel('x - axis')

# naming the y axis

plt.ylabel('y - axis')



# giving a title to my graph

plt.title('My first graph!')



# function to show the plot

plt.show()

import matplotlib.pyplot as plt



# line 1 points

x1 = [1,2,3]

y1 = [2,4,1]

# plotting the line 1 points

plt.plot(x1, y1, label = "line 1")



# line 2 points

x2 = [1,2,3]

y2 = [4,1,3]

# plotting the line 2 points

plt.plot(x2, y2, label = "line 2")



# naming the x axis

plt.xlabel('x - axis')

# naming the y axis

plt.ylabel('y - axis')

# giving a title to my graph

plt.title('Two lines on same graph!')



# show a legend on the plot

plt.legend()



# function to show the plot

plt.show()

import matplotlib.pyplot as plt



# x axis values

x = [1,2,3,4,5,6]

# corresponding y axis values

y = [2,4,1,5,2,6]



# plotting the points

plt.plot(x, y, color='green', linestyle='dashed', linewidth = 3,marker='o', markerfacecolor='blue', markersize=12)



# setting x and y axis range

plt.ylim(1,8)

plt.xlim(1,8)



# naming the x axis

plt.xlabel('x - axis')

# naming the y axis

plt.ylabel('y - axis')



# giving a title to my graph

plt.title('Some cool customizations!')



# function to show the plot

plt.show()