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数模论坛»论坛 › 数学建模 › 大学生竞赛 › 〔原创〕关于A题的几点看法！
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楼主: zhghan

〔原创〕关于A题的几点看法！

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hadicwx
发表于 2005-10-9 20:25:14 | 显示全部楼层
以上是我们队的摘要,我是广东赛区的,大家请多多指教?有什么不足尽量提出,谢谢....建议,大家把自己一些好的东西共享,尤其是一些评论要点
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hanbi
发表于 2005-10-10 00:02:04 | 显示全部楼层
<>你们估计送全国了吧，做得不错</P>
<>我们和你们有几个地方都类似，不过A题本来就是套路题目</P>
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hadicwx
发表于 2005-10-10 04:47:09 | 显示全部楼层
<>同感hanbi,你们队呢,但是我们队在省排名不是很前,好像是12.....</P>
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hanbi
发表于 2005-10-10 06:23:00 | 显示全部楼层
<>我们送全国一等，正在等待全国评阅结果，呵呵</P>
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hanbi
发表于 2005-10-10 16:02:50 | 显示全部楼层
<>忘了说，你们的第二问结果和我们不一样，方法也不一样，所以我不好说好坏</P>
<>你们的第四问摘要，看得怪怪的，感觉象第一问的综合评价？可否贴出答案来看看？</P>
<>第一问应该差不多吧，我们用模糊，没有象你们那样结合聚类来用，也不懂，呵呵</P>
[此贴子已经被作者于2005-10-10 9:04:03编辑过]

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hanbi
发表于 2005-10-10 16:40:56 | 显示全部楼层
<>哦，看清楚了，难怪觉得你第四问怪怪的，原来你们没有在第三问的结果基础上做呀，这是题目规定的好像</P>

<>多元线性回归也可以用在第三问就是了</P>
[此贴子已经被作者于2005-10-10 12:50:13编辑过]

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hanbi
发表于 2005-10-11 02:02:51 | 显示全部楼层
<>大家可以去看看评阅要点（不知道是不是正确的，在下一帖）</P>
<><a href="http://www.shumo.com/bbs/dispbbs.asp?boardID=3&amp;ID=12817&amp;page=1" target="_blank" >http://www.shumo.com/bbs/dispbbs.asp?boardID=3&amp;ID=12817&amp;page=1</A></P>
<>我们的第二问和那里面的做法差不多</P>
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hadicwx
发表于 2005-10-11 02:04:12 | 显示全部楼层
< 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0">我们考虑到如果对水质的评价指标进行单独评价的话，难免会出现因某一项一般污染项目超标就断定整个水体超标的一票否决方法的片面性。为此，我们建立了基于水质分级的综合指数评价之上的综合评价模式，并引入了总体评分数<v:shapetype><FONT face="Times New Roman"> <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path connecttype="rect" gradientshapeok="t" extrusionok="f"></v:path><lock aspectratio="t" v:ext="edit"></lock></FONT></v:shapetype><v:shape><v:imagedata></v:imagedata></v:shape><FONT face="Times New Roman">   </FONT>作为对长江水质的综合评价估计量。水质综合指数与水质分级对照表<SUP><FONT face="Times New Roman">[1]</FONT></SUP>如下：<p></p></P>
<TABLE medium none; BORDER-TOP: medium none; MARGIN: auto auto auto 5.4pt; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 480; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext" cellSpacing=0 cellPadding=0 border=1>

<TR 0">
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 81pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt" vAlign=top width=108>
< 0cm 0cm 0pt">水质分级<p></p></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 54pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=72>
< 0cm 0cm 0pt"><FONT face="Times New Roman">1<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 54pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=72>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">2<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 49pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=65>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">3<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">4<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">5<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 45.2pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=60>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">6<p></p></FONT></P></TD></TR>
<TR 1; mso-yfti-lastrow: yes">
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 81pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=108>
<P 0cm 0cm 0pt">水质综合指数<p></p></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 54pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=72>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">91</FONT>～<FONT face="Times New Roman">100<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 54pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=72>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">76</FONT>～<FONT face="Times New Roman">90<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 49pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=65>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">51</FONT>～<FONT face="Times New Roman">75<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">26</FONT>～<FONT face="Times New Roman">50<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">0</FONT>～<FONT face="Times New Roman">25<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 45.2pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=60>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">0<p></p></FONT></P></TD></TR></TABLE>
<P 0cm 0cm 0pt; TEXT-INDENT: 30pt; mso-char-indent-count: 2.5">为了计算的方便，我们取综合指数的平均值作为各级水质级别的对照值<p></p></P>
<TABLE medium none; BORDER-TOP: medium none; MARGIN: auto auto auto 5.4pt; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 480; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext" cellSpacing=0 cellPadding=0 border=1>

<TR 0">
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 81pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt" vAlign=top width=108>
<P 0cm 0cm 0pt">水质分级<p></p></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 35.3pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=47>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">1<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.85pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">2<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.85pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">3<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">4<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">5<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">6<p></p></FONT></P></TD></TR>
<TR 1; mso-yfti-lastrow: yes">
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 81pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=108>
<P 0cm 0cm 0pt">水质综合指数<p></p></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 35.3pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=47>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">95<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.85pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">83<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.85pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">63<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">38<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">12</FONT>．<FONT face="Times New Roman">5<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 60.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=81>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">0<p></p></FONT></P></TD></TR></TABLE>
<P 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0">我们把水质综合指数<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>作为各个分级的得分，并将干流中各类水的百分比<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>作为权值，则该年长江水域的总体评分为：<p></p></P>
<P 0cm 0cm 0pt; TEXT-ALIGN: center" align=center><v:shape><v:imagedata></v:imagedata></v:shape><p></p></P>
<P 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0">考虑到长江年总流量<FONT face="Times New Roman">Q</FONT>与年总废水排放量<FONT face="Times New Roman">M</FONT>都会对总体评分<FONT face="Times New Roman">Y</FONT>产生影响，故其之间必然存在密切的相关性，我们用曲线<v:shape> <v:imagedata></v:imagedata></v:shape>对过去十年的数据进行了拟合。得到拟和线性方程<v:shape> <v:imagedata></v:imagedata></v:shape>，过去十年的评分结果如下：<p></p></P>
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hadicwx
发表于 2005-10-11 02:08:30 | 显示全部楼层
< 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0">为了使干流的第四、五类水在总水量中的比例控制在<FONT face="Times New Roman">20</FONT>％以内，且没有劣五类水；我们必须对超标的水质类别进行合理的处理，为此，我们基于考虑到利用最小处理费用<FONT face="Times New Roman">(</FONT>对污染的水进行最近级别的处理时处理费用最小<FONT face="Times New Roman">)</FONT>来达到要求的原则上建立以下污水处理规则：<p></p></P>
< 0cm 0cm 0pt"><FONT face="Times New Roman">a)</FONT>对劣五类水的处理：把此类水（<v:shapetype><FONT face="Times New Roman"> <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path connecttype="rect" gradientshapeok="t" extrusionok="f"></v:path><lock aspectratio="t" v:ext="edit"></lock></FONT></v:shapetype><v:shape><v:imagedata></v:imagedata></v:shape>）全部处理为五类水；<p></p></P>
< 0cm 0cm 0pt"><FONT face="Times New Roman">b)</FONT>对四（<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>）、五类水（<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>）的处理：此两类水的百分比（<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>）＝原有此两类水的百分比（<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>）＋经过处理转化的五类水（<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>）；如果<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>，则超标，必须进行处理，处理的原则是尽量利用四类水转化为三类水来满足目标，即先对四类水进行处理，处理的量为<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape><FONT face="Times New Roman">;</FONT>如果四类水全部处理完后，依旧超标（即<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>），则才对第五类水进行处理，直到满足条件为止，处理的量为。<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape><p></p></P>
<P 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0">利用上述污水处理规则进行处理后，再对其进行评分，得到预期的处理效果<v:shape> <v:imagedata></v:imagedata></v:shape>。与上述拟合的公式给出的评分对比，在总流量无法控制的情况下，排污总量M中要有多少经过处理（可以等效地看作是排污量减少了），才能达到预期的评分。我们对拟合的模型进行了变形<p></p></P>
<P 0cm 0cm 0pt; TEXT-INDENT: 78pt; mso-char-indent-count: 6.5"><v:shape><v:imagedata></v:imagedata></v:shape><p></p></P>
<P 0cm 0cm 0pt">则需要处理的污水量为：<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape>。<p></p></P>
<P 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0">将预测数据代入上述推导，得<FONT face="Times New Roman">t</FONT>年度需要处理的潜水量<v:shape><FONT face="Times New Roman"> <v:imagedata></v:imagedata></FONT></v:shape><FONT face="Times New Roman">(</FONT>亿吨<FONT face="Times New Roman">)</FONT>如下表：<p></p></P>
<P 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0"><p><FONT face="Times New Roman"> </FONT></p></P>
<P 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0"><p><FONT face="Times New Roman"> </FONT></p></P>
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<TR 0">
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">t<p></p></FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">2005<p></p></FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">2006<p></p></FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">2007<p></p></FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">2008<p></p></FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">2009<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 38.15pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=51>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">2010<p></p></FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">2011<p></p></FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">2012<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 38.15pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=51>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">2013<p></p></FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 38.15pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=51>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">2014<p></p></FONT></P></TD></TR>
<TR 1; mso-yfti-lastrow: yes">
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<P 0cm 0cm 0pt"><v:shape><v:imagedata><FONT face="Times New Roman"></FONT></v:imagedata></v:shape><p></p></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 38.05pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=51>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">18</FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">23</FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 38.1pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=51>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">24</FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 38.15pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=51>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">28</FONT></P></TD>
<TD windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 38.15pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=51>
<P 0cm 0cm 0pt"><FONT face="Times New Roman">33</FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">40</FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">41</FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">50</FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">55</FONT></P></TD>
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<P 0cm 0cm 0pt"><FONT face="Times New Roman">57</FONT></P></TD></TR></TABLE>
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hanbi
发表于 2005-10-11 02:14:49 | 显示全部楼层
<>总流量是可以控制的，用过去十年的数据取期望来代替</P>
<>需要处理的污水太少了吧，感觉过去</P>
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