random walk process

基本解释

In the process of development there are three types of efficient market model: expected return model, random walk model and downside martingale model.
在其发展过程中出现了三种有效市场模型：预期收益模型、随机游走模型以及下鞅模型。
In the optimization Process using random walk method with direction exploitation, when should the iterations be stopped in order to obtain the optimal solution?
在用随机方向搜索法进行优化设计的过程中，何时才可以终止迭代并达到最优解?。
The empirical results show that Shanghai and Shenzhen stock markets are random walk process with deviation existing state sustainability and non-periodic cycles.
实证结果表明沪深股市均是有偏的随机游动过程，存在着状态的持续性和非周期性循环。