绝对不可！！！

bzc2008

<>竞赛期间，各位同仁绝对不可利用网络作出违纪违规的事情！！！</P>

waterhua

[em16][em21]

bzc2008

< char; LINE-HEIGHT: 150%; mso-layout-grid-align: none">1?? dispersion在这儿理解成堵塞的缓解，还是理解成概率中的均值？在词典中dispersion也有后者的意思！traveling characteristics在这儿如何理解？请专家再给出几个例子，最大流量等算不算haracteristics？<p></p></P>
< 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 150%; mso-layout-grid-align: none"><FONT face="Times New Roman">////////    dispersion</FONT>在这儿理解成堵塞的缓解。至于特征是应该由你们考虑的问题。<p></p></P>
< 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 150%; mso-layout-grid-align: none"><p><FONT face="Times New Roman"> </FONT></p></P>
<P 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 150%; mso-layout-grid-align: none"><FONT face="Times New Roman">//////////   variance of link travel time is proportional to the reciprocal of  </FONT>（<FONT face="Times New Roman">link length)^(2/3)  as well as proportional to the product of the number of links connecting to the two nodes at both ends of the link.</FONT>的意思是行车时间这个随机变量的方差与路段的长度的<FONT face="Times New Roman">2/3</FONT>次方成反比，与路段两端（节点）所连接的高速公路路段数的乘积成正比。<p></p></P>
<P 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 150%; mso-layout-grid-align: none"><FONT face="Times New Roman">????????</FONT>在<FONT face="Times New Roman">A</FONT>题中，第二问中图上标出的<FONT face="Times New Roman">Message sign(active)</FONT>和<FONT face="Times New Roman">Message sign(blank)</FONT>是什么意思？？是不是探测器工作与不工作？<p></p></P>
<P 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 150%; mso-layout-grid-align: none"><FONT face="Times New Roman">/////////////</FONT>是的</P>
<P 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 150%; mso-layout-grid-align: none"><p></p> </P>[em01]

bzc2008

我顶！！！！

bzc2008

<>有不同意者，<FONT face="Times New Roman">lease  hand up!!!</FONT></P>
<> </P>

bzc2008

variance of link travel time is proportional to the reciprocal of  （link length)^(2/3)  as well as proportional to the product of the number of links connecting to the two nodes at both ends of the link.的意思是行车时间这个随机变量的方差与路段的长度的2/3次方成反比，与路段两端（节点）所连接的高速公路路段数的乘积成正比。<BR>[em01]

waterhua

<DIV class=quote><B>以下是引用<I>bzc2008</I>在2005-9-17 17:41:10的发言：</B><BR>variance of link travel time is proportional to the reciprocal of  （link length)^(2/3)  as well as proportional to the product of the number of links connecting to the two nodes at both ends of the link.的意思是行车时间这个随机变量的方差与路段的长度的2/3次方成反比，<FONT color=#ff0000>与路段两端（节点）所连接的高速公路路段数的乘积成正比。公路路段数的乘积是指？？？？？？？？能否举例说明？？？谢谢<BR></FONT>[em01]</DIV>
<br>

bzc2008

<>回答五楼！</P>
<>我想应该是节点数（Nodes即叉口数）</P>
<>是吗？</P>

bzc2008

< break-all; LINE-HEIGHT: 12pt"><B></B> </P>
< break-all; LINE-HEIGHT: 12pt"><B>////要求构造协方差矩阵并设计算法</B></P>
< break-all; LINE-HEIGHT: 12pt"><B></B><BR>构造协方差矩阵的方法是目前正在研究的一种方法,</P>
<P break-all; LINE-HEIGHT: 12pt">所以题目要求你们构造协方差矩阵,并据此设计算法.</P>
<P break-all; LINE-HEIGHT: 12pt">这部分无法得到具体结果.</P>
<P break-all; LINE-HEIGHT: 12pt"><p></p> </P>