random walk 是什么意思

a stochastic process consisting of a sequence of changes each of whose characteristics (as magnitude or direction) is determined by chance

	1.	This process of separation and spreading out of particles by random walks is known as diffusion . 粒子通过随机运动离散开去的这种过程就叫打散。
	2.	The usual diffusion random walk treatment does not consider any interaction between the particles . 一般的扩散无规则运动理论并不考虑粒子间的任何作用。
	3.	A class of random walks in random environments 一类随机环境中的随机游动
	4.	Random walk theory of stock market prices 股市价格的随机行走理论
	5.	A class of multi - dimensional random walks in random environments 一类随机环境中的高维随机游动
	6.	Waiting times for a class of random walks 一类随机徘徊的等待时间
	7.	A class of random walks on half - line in random environments 一类随机环境中半直线上的可逗留随机游动
	8.	A class of non - nearest - neighbor random walks in random environments 一类随机环境中的非紧邻的随机游动
	9.	A class of random walks with unbounded jumps in random environments 一类随机环境中可跳无穷远点的随机游动
	10.	The limits of random walk with resting state in random environment 随机环境中可逗留随机游动的一些极限性质

random walk是什么意思