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汕头大学海洋科学接受调剂
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jiakai003

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change0618

铁杆木虫 (著名写手)

方丈大师

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jiakai003(金币+51): 真NB,其实我对程序一窍不通,非常感谢你,我以后也要努力学习下这方面的知识,略表心意,希望笑纳,以后还望多多指教!!! 2011-05-14 20:27:00
function liweimin
clear
clc
format long
global  Cin1 Cin2 Cin3 Cin4 Cin5 k1 k2 k3 k4 k5 k6 d1 d2 d3 d4 m Macoh b2 b4 b6 Cinh2o Cgh2o Clh2o t
global tol tog tl cpacoh cph2o cppx cpair Cinacoh Cgacoh Clacoh Fing Hvacoh Hvh2o Cinpx Hr Finl0 Fout0 L G a b c d
%parameter values
Cin1=2.85; Cin2=0; Cin3=0; Cin4=0; Cin5=0; k1=5.50e5; k2=15.88e3; k3=17.09e3; k4=3.28e3; k5=9.81e3; k6=0.54;
d1=1.4247; d2=0; d3=0; d4=4.8419; m=0.0146; Macoh=182.1; b2=0.5254; b4=0.8111; b6=0.9302;
Cinh2o=8.33; Cgh2o=3.124; Clh2o=1.98; t=469; tog=433; tol=412; tl=363; cpacoh=140; cph2o=4200; cppx=214; cpair=50.9;
Cinacoh=0.0167; Cgacoh=0.0167; Clacoh=0.0167; Fing=2.12; Hvacoh=19.9; Hvh2o=35.3; Cinpx=2.85; Hr=1332.2;
C10=0.025; C20=0.025; C30=0.025; C40=0.005; C50=0.005; C60=0.005; Finl0=1.05e5; Fout0=1.00e5; L=3000; G=1000; a=2; b=0.5; c=1.5; d=2;
Finli=Finl0:1000:Finl0+5000;    %initial conditions
n=length(Finli);
for i=1:n
sol=fsolve(@Equations,[C10,C20,C30,C40,C50,C60,Finli(i),Fout0],optimset('Display','off'));
y(:,i)=real(sol);
end
y
%--------------------------------------------------------------------------
function f= Equations(y)
global Cin1 Cin2 Cin3 Cin4 Cin5 k1 k2 k3 k4 k5 k6 d1 d2 d3 d4 m Macoh b2 b4 b6 Cinh2o Cgh2o Clh2o t
global tol tog tl cpacoh cph2o cppx cpair Cinacoh Cgacoh Clacoh Fing Hvacoh Hvh2o Cinpx Hr L G a b c d
C1=y(1); C2=y(2); C3=y(3); C4=y(4); C5=y(5); C6=y(6); Finl=y(7); Fout=y(8);
f1=Fout*C1+(k1*C1/(d1*C1+d2*C2+d3*C3+d4*C4+m)+k5*C5/(d1*C1+d2*C2+d3*C3+d4*C4+m))*Macoh-Finl*Cin1;
f2=Fout*C2+(k2*C2/(d1*C1+d2*C2+d3*C3+d4*C4+m)^b2-k1*C1/(d1*C1+d2*C2+d3*C3+d4*C4+m)-k6*C6/(d1*C1+d2*C2+d3*C3+d4*C4+m)^b6)*Macoh-Finl*Cin2;
f3=Fout*C3+(k3*C3/(d1*C1+d2*C2+d3*C3+d4*C4+m)-k2*C2/(d1*C1+d2*C2+d3*C3+d4*C4+m)^b2)*Macoh-Finl*Cin3;
f4=Fout*C4+(k4*C4/(d1*C1+d2*C2+d3*C3+d4*C4+m)^b4-k3*C3/(d1*C1+d2*C2+d3*C3+d4*C4+m))*Macoh-Finl*Cin4;
f5=Fout*C5+(k6*C6/(d1*C1+d2*C2+d3*C3+d4*C4+m)^b6-k5*C5/(d1*C1+d2*C2+d3*C3+d4*C4+m))*Macoh-Finl*Cin5;
f6=Fout+G-Finl-L;
f7=Fout*Cinh2o+G*Cgh2o-Finl*Cinh2o-a*(Finl*C1-Fout*C1)+b*Fout*C4+Fout*C3+c*Fout*C2+d*Fout*C6-L*Clh2o;
f8=Finl*(t-tol)*(Cinacoh*cpacoh+Cinh2o*cph2o+Cinpx*cppx)+L*(t-tl)*(Clacoh*cpacoh+Clh2o*cph2o)+Fing*cpair*...
    (t-tog)+G*(Cgacoh*Hvacoh+Cgh2o*Hvh2o)-(Finl*Cinpx-Fout*(Cinh2o+Cinacoh+Cinpx))*Hr;
f=[f1;f2;f3;f4;f5;f6;f7;f8];





y =

  1.0e+003 *

  Columns 1 through 4

   0.000000006802276   0.000000006802276   0.000000006802276   0.000000006802276
  -0.000000135512226  -0.000000135512226  -0.000000135512226  -0.000000135512226
  -0.000000016422428  -0.000000016422428  -0.000000016422428  -0.000000016422428
  -0.000000192485189  -0.000000192485189  -0.000000192485189  -0.000000192485189
  -0.000000409983711  -0.000000409983711  -0.000000409983711  -0.000000409983711
  -0.010049532361599  -0.010049532361599  -0.010049532361599  -0.010049532361599
  -1.311221203993331  -1.311221203993331  -1.311221203993331  -1.311221203993331
   0.688778796006669   0.688778796006670   0.688778796006670   0.688778796006669

  Columns 5 through 6

   0.000000006802276   0.000000006802276
  -0.000000135512226  -0.000000135512226
  -0.000000016422428  -0.000000016422428
  -0.000000192485189  -0.000000192485189
  -0.000000409983711  -0.000000409983711
  -0.010049532361599  -0.010049532361599
  -1.311221203993331  -1.311221203993331
   0.688778796006670   0.688778796006669
10楼2011-05-14 20:19:21
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change0618

铁杆木虫 (著名写手)

方丈大师

【答案】应助回帖


jiakai003(金币+3): 我还没输入方程组呢,数据输入完酒错误了,貌似是调用函数错误~ 2011-05-14 12:17:26
sunyang1988(金币+1): 谢谢交流 2011-05-14 12:33:34
建立一个完整的m函数,而不是在命令窗口一行一行的输入
2楼2011-05-14 11:45:10
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铁杆木虫 (著名写手)

方丈大师

【答案】应助回帖


sunyang1988(金币+1): 谢谢交流 2011-05-14 12:33:42
你还是先看看书再搞。不然真的是说什么你都不明白。不能一窍不通就想春暖花开
3楼2011-05-14 12:21:47
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xianghongw

铜虫 (小有名气)

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★ ★ ★
sunyang1988(金币+3): 谢谢人热心帮助 2011-05-14 12:33:59
jiakai003(金币+6): 貌似我一开始时直接在命令窗口输入的,晕死,我没用过,谢谢了,我正在输方程,谢谢!!!只是丢死人了~~~ 2011-05-14 13:55:33
首先建立函数文件,然后输入:
global  Cin1 Cin2 Cin3 Cin4 Cin5 k1 k2 k3 k4 k5 k6 d1 d2 d3 ...
       d4 m Macoh b2 b4 b6 Cinh2o Cgh2o Clh2o t tol tog tl ...
       cpacoh cph2o cppx cpair Cinacoh Cgacoh Clacoh Fing ...
       Hvacoh Hvh2o Cinpx Hr C10 C20 C30 C40 C50 C60 Finl0 Fout0 L G
%parameter values
Cin1=2.85; Cin2=0; Cin3=0; Cin4=0; Cin5=0; k1=5.50e5; k2=15.88e3; ...
k3=17.09e3; k4=3.28e3; k5=9.81e3; k6=0.54; d1=1.4247; d2=0; d3=0; ...
d4=4.8419; m=0.0146; Macoh=182.1; b2=0.5254; b4=0.8111; b6=0.9302;...
Cinh2o=8.33; Cgh2o=3.124; Clh2o=1.98; t=469; tog=433; tol=412; tl=363;...
cpacoh=140; cph2o=4200; cppx=214; cpair=50.9; Cinacoh=0.0167; Cgacoh=0.0167;...
Clacoh=0.0167; Fing=2.12; Hvacoh=19.9; Hvh2o=35.3; Cinpx=2.85; Hr=1332.2;...
C10=0.025; C20=0.025; C30=0.025; C40=0.005; C50=0.005; C60=0.005; ...
Finl0=1.05e5; Fout0=1.00e5; L=3000; G=1000;
Finli=Finl0:1000:Finl0+5000;%initial conditions
n=length(Finli);
for i=1:n
sol=fsolve('方程',[C10,C20,C30,C40,C50,C60,Finli(i),Fout0]); y{i}=sol;
end
你把方程输进去
4楼2011-05-14 12:30:13
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