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¡¡¡¡ÃÀ¹úÆøÏóѧ¼ÒÂåÂ××È£¨E.N.Lorenz£¬²»ÒªºÍÌá³öÂåÂ××ȱ任µÄÄÇλ¸ã»ì£©ÊÇ»ìãçÀíÂ۵ĵì»ùÕßÖ®Ò»¡£20ÊÀ¼Í50Äê´úÄ©µ½60Äê´ú³õ£¬ËûµÄÖ÷Òª¹¤×÷Ä¿±êÊÇ´ÓÀíÂÛÉ϶ÔÌìÆøÇé¿ö½øÐг¤ÆÚÔ¤±¨¡£ÔÚʹÓüÆËã»úÄ£ÄâÌìÆøÊ±£¬ËûÒâÍâµØ·¢ÏÖ£¬¶ÔÓÚÌìÆøÏµÍ³£¬ÄÄųõʼÌõ¼þµÄ΢С¸Ä±äÒ²»áÏÔÖøÓ°ÏìÔËËã½á¹û¡£Ëæºó£¬ËûÔÚͬʹ¤×÷µÄ»ù´¡ÉÏ»¯¼òÁË×Ô¼ºÏÈǰµÄÄ£ÐÍ£¬µÃµ½ÁËÓÐ3¸ö±äÁ¿µÄÒ»½×΢·Ö·½³Ì×飬ÓÉËüÃèÊöµÄÔ˶¯ÖдæÔÚÒ»¸öÆæÒìÎüÒý×Ó£¬¼´ÂåÂ××ÈÎüÒý×Ó¡£

¡¡¡¡ÂåÂ××ȵŤ×÷½á¹û×î³õÔÚ1963Äê·¢±í£¬ÂÛÎÄÌâĿΪDeterministic Nonperiodic Flow£¬·¢±íÔÚJournal of the Atmospheric SciencesÔÓÖ¾ÉÏ¡£Èç½ñ£¬ÕâÒ»·½³Ì×éÒѳÉΪ»ìãçÀíÂ۵ľ­µä£¬Ò²ÊÇ¡°°ÍÎ÷ºûµûÉȶ¯³á°òÔÚÃÀ¹úÒýÆðµÂ¿ËÈøË¹µÄ쫷硱£¨ºûµûЧӦ£©Ò»ËµµÄÕØÊ¼¡£

¡¡¡¡ÏÂÃæ£¬ÎÒÃÇʹÓÃPythonµÄ»æÍ¼¿âMatplotlib À´»æÖÆÒ»ÏÂÂåÂ××ÈÎüÒý×ÓÇúÏß¡£´úÂëÈçÏ£¬·Ç³£¼òµ¥£º

Python code:
# -*- coding: utf-8 -*-



"Lorenz's strange attractor"



import matplotlib as mpl

from mpl_toolkits.mplot3d import Axes3D

#import numpy as np

import matplotlib.pyplot as plt



xs, ys, zs = [], [], []



def mkPoints():

a, b, c = 10.0, 28.0, 8.0 / 3.0

h = 0.01

x0, y0, z0 = 0.1, 0, 0

for i in xrange(10000):

x1 = x0 + h * a * (y0 - x0)

y1 = y0 + h * (x0 * (b - z0) - y0)

z1 = z0 + h * (x0 * y0 - c * z0)

x0, y0, z0 = x1, y1, z1

xs.append(x0)

ys.append(y0)



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print 'Hello World'

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