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沙漠oo飞鹰

铜虫 (正式写手)

[求助] matlab非线性方程组该如何编程。求助

已知S=0,o=33 ,m=0.029,v=2.7
计算a            计算b         计算c        计算d         计算e
计算a
0=25.2766*214*0.91*s-(0.95+6.76*v^0.49)*25.2766*2*107*(a-o)-42119*10^(-5)*[(a+273.16)^4-(e+273.16)^4]-13779.3696*10^(-8)*[(a+273.16)^4-(d+273.16)^4]

计算b
2400*10218.5*b =
2400/1185*0.89^(1/3)*1438.3*
^0.33*8*462.54*(0.01347-3.85355*10^(-4)*e+3.0919*10^(-5)*e^2-b)-
2400/1185*0.89^(1/3)*3243.8*
^0.33*(b-0.01347+3.85355*10^(-4)*d-3.0919*10^(-5)*d^2)-
2400/3600*4*44500*(m-b)

计算室内空气c
1185*10218.5* c=1438.3*1649.68* ^0.33*(e-c)-3243.8* ^0.33*(c-d)*25.2766*314-
                 1185*4*44500*(c-o+0.8*5))

计算d
0=0.81*0.91*25.2766*2*107*s+3243.8*25.2766*2*107* ^0.33*(c-d)+
     2400/1185*0.89^(1/3)*3243.8*
^0.33*25.2766*2*107*(b-0.01347+3.85355*10^(-4)*d-3.0919*10^(-5)*d^2)-
5.67*10^(-8)*25.2766*2*107*((a+273.16)^4-(d+273.16)^4)/(1/0.62+1/0.62-1)


计算e
4.17*10^6*8*892* e=0.81^2*(1-0.09)*8*462.54*s-
462.54/1649.68*1438.3*1649.68* ^0.33*(e-c)
-2400/1185*0.89^(1/3)*1438.3*
^0.33* (0.01347-3.85355*10^(-4)*e+3.0919*10^(-5)*e^2-b)-
2400/1185*0.89^(1/3)*3243.8* ^0.33
+5.67*10^(-8)*0.97*0.33*462.54*8/(1/0.97+1/0.62-1)*((a+273.16)^4-(e+273.16)^4)+
5.67*10^(-8)*0.97*0.33*462.54*8/(1/0.97+1/0.62-1)*((d+273.16)^4-(e+273.16)^4)-
5.67*10^(-8)*0.97*0.33*0.33*462.54*8*((e+273.16)^4-0.0552*(o+273.16)^6)

五个方程,五个未知数。麻烦大神帮我把matlab的程序编写下吧,然后发给我吧。小弟感激不尽。谢谢了。非常急。.有50金币给大家。谢谢了

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yinhu1988

木虫 (著名写手)

【答案】应助回帖

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感谢参与,应助指数 +1
臭水沟: 金币+1, 谢谢交流~ 2013-10-25 20:33:10
I do not think that there will be someone look into your formula. It is very long and not easy to read. You can just describe your problem in general to ask for help. It is not a good choice to paste your code here and wait for help. Fewer people really has the time to read inside your code.
君子务本,静水流深
3楼2013-10-25 15:12:36
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月只蓝

主管区长 (职业作家)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
臭水沟: 金币+1, 谢谢交流~ 2013-10-25 20:33:02
沙漠oo飞鹰: 金币+30, ★★★很有帮助 2013-10-30 11:03:29
MATLAB、MS小问题、普通问题请发帖求助!时间精力有限,恕不接受无偿私信求助。
2楼2013-10-25 10:10:00
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dingd

铁杆木虫 (职业作家)

【答案】应助回帖

感谢参与,应助指数 +1
公式里多处出现“*^”,如“3243.8*^0.33”,“1649.68*^0.33”,到底是“*”还是“^”?
4楼2013-10-26 23:13:51
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tgvictor99

木虫 (知名作家)

迷糊领域荣誉领主

引用回帖:
3楼: Originally posted by yinhu1988 at 2013-10-25 15:12:36
I do not think that there will be someone look into your formula. It is very long and not easy to read. You can just describe your problem in general to ask for help. It is not a good choice to paste ...

。。。。秀英语么
每个人的人生都是时代的产物。每个人的血统、命运和梦想组成了现在这个时代。
5楼2013-10-29 16:29:28
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