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Lesson 07.3: 2D scattering plots with random number

隨機亂數作scatering plot

Example Code

import sys

if sys.version_info[0] < 3:

from Tkinter import *

else:

from tkinter import *

import os

import numpy as np

import matplotlib

import matplotlib.pyplot as plt

np.random.seed(1)

plt.figure(1)

plt.plot(10*np.random.randn(100), 10*np.random.randn(100), 'bo')

plt.plot(10*np.random.randn(30), 10*np.random.randn(30), 'r.')

plt.show()

Note and Comments

import sys

if sys.version_info[0] < 3:

from Tkinter import *

else:

from tkinter import *

import os

import numpy as np

import matplotlib

import matplotlib.pyplot as plt

np.random.seed(1)

plt.figure(1)

plt.plot(10*np.random.randn(100), 10*np.random.randn(100), 'bo')

plt.plot(10*np.random.randn(30), 10*np.random.randn(30), 'r.')

plt.show()

result