求助！！急！急！急！这样的题目怎样建模？11月16号之前能不能搞定？

pengzhibashumo · 发表于 2004-11-14 06:49:09

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>1.Software Development. The following population model needs to be programmed:
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>We have an <v:shapetype><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></v:shapetype><v:shape><v:imagedata></v:imagedata></v:shape>grid that holds individuals. Initially there is a random distribution of individuals in the cells. At any point in time the following happens:
1. There is a probability <v:shape><v:imagedata></v:imagedata></v:shape>that any one individual becomes 2 individuals.
2. There is a probability <v:shape><v:imagedata></v:imagedata></v:shape>that an individual dies.
3. There is a probability <v:shape><v:imagedata></v:imagedata></v:shape>that an individual moves to a neighbouring cell.
 
Write pseudo-code for how you would program the above model.
 
1.Logical Modelling. Consider the following collection of sensors:
We have a collection of temperature sensors. Each sensor has a location and can detect temperature in degrees Celsius with an accuracy of 0.5 degrees, and ranging from –10 to 110 degrees. The sensors communicate their temperature readings to an “aggregator” that determines the average, minimum and maximum values.
Use logic to write down how you would represent this system and its properties.

pengzhibashumo · 发表于 2004-11-14 06:52:57

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>补充：have an N*N <v:shapetype><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 gradientshapeok="t" extrusionok="f" connecttype="rect"></v:path><LOCK aspectratio="t" v:ext="edit"></LOCK></v:shapetype><v:shape><v:imagedata></v:imagedata></v:shape>grid <

>1. There is a probability p <v:shape><v:imagedata></v:imagedata></v:shape>that any one individual becomes 2 individuals. 
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>2. There is a probability d <v:shape><v:imagedata></v:imagedata></v:shape>that an individual dies. 3. There is a probability m <v:shape><v:imagedata></v:imagedata></v:shape>that an individual moves to a neighbouring cell.

pengzhibashumo · 发表于 2004-11-14 06:57:59

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>第二题的翻译：<

>逻辑模型。考虑下列传感器：
我们有一系列的温度传感器，每个传感器都有一个location可以以误差为0.5度探测-10度到110度范围内的温度，传感器把读取的温度传递到放大器，放大器决定温度的平均值、最小值、最大值。<

>用逻辑式表示它表示的系统及其属性

颜潇云 · 发表于 2004-11-14 17:27:55

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>对不起，我无能为力

wangqianbeef · 发表于 2004-11-16 00:48:46

先给大家说撒我英文水平仅局限于玩游戏[em06]

fault · 发表于 2004-11-16 02:02:14

你是不是应该去问你的老师啊?[em06][em06]

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