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zhqh2000

新虫 (初入文坛)

[求助] MATLAB新手求解方程

方程为
0.84*h^0.96*(1-h)^0.28*[0.96/h-0.28/(1-h)]=0.58
求解h
帮帮忙,多谢啦
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dbb627

荣誉版主 (著名写手)

【答案】应助回帖

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csgt0: 金币+2, 多谢应助 2012-10-25 09:45:49
你用的是什么版本的 我的matlab2010b没有问题

solve('0.84*h^0.96*(1-h)^0.28*(0.96/h-0.28/(1-h))-0.58')

ans =

                                          0.40438914678629249107423901766733
   0.28242508743785675212378783600029*i + 0.68485983116645460481483237103467
  0.025261350451946424196232116787958*i + 0.88804064649824549462952858529713
  0.88242678564717099262620693617147 - 0.086912324609154520445777531267815*i
     0.837722933370675359758547838529 - 0.19715352779809435610761564431393*i
  0.086912324609154520445777531267815*i + 0.88242678564717099262620693617147
0.88840275568841653641010680329821 - 0.0083026515809469118791064689033959*i
   0.15158966349478430780597149595942*i + 0.86393917623804668124201173756784
   0.55360389793940331487078170455609 - 0.25686038893774939924867955009193*i
  0.043334766707807347711263310705364*i + 0.88719299728611080414236295169951
  0.063460723299533291511882386883474*i + 0.88554815317436561609737102311783
    0.1512346729831002405177042820611*i + 0.44388752771653864759936089827795
    0.44388752771653864759936089827795 - 0.1512346729831002405177042820611*i
0.0083026515809469118791064689033959*i + 0.88840275568841653641010680329821
   0.68485983116645460481483237103467 - 0.28242508743785675212378783600029*i
   0.25686038893774939924867955009193*i + 0.55360389793940331487078170455609
   0.78325856333937625662743118225575 - 0.24829081687892619187566413267287*i
   0.24829081687892619187566413267287*i + 0.78325856333937625662743118225575
  0.88719299728611080414236295169951 - 0.043334766707807347711263310705364*i
  0.88554815317436561609737102311783 - 0.063460723299533291511882386883474*i
   0.87634151338075912306369329807059 - 0.11549178773547345671593076836971*i
   0.86393917623804668124201173756784 - 0.15158966349478430780597149595942*i
   0.11549178773547345671593076836971*i + 0.87634151338075912306369329807059
  0.88804064649824549462952858529713 - 0.025261350451946424196232116787958*i
     0.19715352779809435610761564431393*i + 0.837722933370675359758547838529
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
6楼2012-09-29 09:03:47
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lghlgh2006

银虫 (初入文坛)

【答案】应助回帖

感谢参与,应助指数 +1
>> solve('0.84*h^0.96*(1-h)^0.28*[0.96/h-0.28/(1-h)]-0.58')
ans =

                                          0.40438914678629249107423901766733

//其他复数解不需要的话
2楼2012-09-28 18:54:04
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zhqh2000

新虫 (初入文坛)

引用回帖:
2楼: Originally posted by lghlgh2006 at 2012-09-28 18:54:04
>> solve('0.84*h^0.96*(1-h)^0.28*-0.58')
ans =

                                          0.40438914678629249107423901766733

//其他复数解不需要的话

奇怪了,我也是这么写的,可是MATLAB老是提醒我ERROR,怎么回事?
3楼2012-09-28 20:10:05
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dbb627

荣誉版主 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
引用回帖:
3楼: Originally posted by zhqh2000 at 2012-09-28 20:10:05
奇怪了,我也是这么写的,可是MATLAB老是提醒我ERROR,怎么回事?...

出错提示信息是什么?
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
4楼2012-09-28 20:52:46
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