模拟程序包括一个时钟，每天从零开始。模拟程序得调度器组件随机设置每一层第一个人到来的时间，当时钟的时间等于第一个人到来的时间时，模拟程序生成一个新到的人将该人放到这一层。然后这个人按下按钮，请求电梯开门。这个人的目的地楼层不能与他上电梯的楼层相同。 -Simulation program includes a clock, every day from scratch. Simulation program was set up scheduling of each component la

* create a forest F (a set of trees), where each vertex in the graph is a separate tree * create a set S containing all the edges in the graph * while S is nonempty and F is not yet spanning o remove an edge with minimum weight from S o

因子分析是指研究从变量群中提取共性因子的统计技术。最早由英国心理学家C.E.斯皮尔曼提出。因子分析可在许多变量中找出隐藏的具有代表性的因子。将相同本质的变量归入一个因子，可减少变量的数目，还可检验变量间关系的假设。-Factor analysis is the study of common factors extracted from the variable group statistical techniques. First proposed by British psychologis