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function m=slag(n)
x1=n(1);
x2=n(2);
x3=n(3);
x4=n(4);
x5=n(5);
x6=n(6);
x7=n(7);
x8=n(8);
x9=n(9);
x10=n(10);
x11=n(11);
x12=n(12);
x13=n(13);
x14=n(14);
x15=n(15);
x16=n(16);
x17=n(17);
x18=n(18);
x19=n(19);
m(1)=exp((13836+25.44*1863)/8.314*1863)*x1^3*x2-x5;
m(2)=exp((35288+204.59*1863)/8.314*1863)*x1^12*x2^7-x6;
m(3)=exp((18946+25.44*1863)/8.314*1863)*x1*x2-x7;
m(4)=exp((18566+23.68*1863)/8.314*1863)*x1*x2^2-x8;
m(5)=x9*0;
m(6)=exp((107800+13.44*1863)/8.314*1863)*x1^3*x3^2-x10;
m(7)=exp((122731+8.85*1863)/8.314*1863)*x1^2*x3-x11;
m(8)=exp((302587+66.24*1863)/8.314*1863)*x1^3*x3^2-x12;
m(9)=exp((86231+0.995*1863)/8.314*1863)*x1*x3-x13;
m(10)=exp((19512+28.19*1863)/8.314*1863)*x2^3*x3^2-x14;
m(11)=exp((354932-417.63*1863)/8.314*1863)*x1^2*x2*x3-x15;
m(12)=exp((1252543-277.06*1863)/8.314*1863)*x1*x2*x3^3-x16;
m(13)=exp((203172+21.38*1863)/8.314*1863)*x1^3*x4^2-x17;
m(14)=exp((75158+21.38*1863)/8.314*1863)*x1*x4-x18;
m(15)=exp((313417-282.66*1863)/8.314*1863)*x1*x2*x3-x19;
m(16)=(0.5*x1+3*x5+12*x6+x7+x8+x9+3*x10+2*x11+3*x12+x13+2*x15+x16+3*x17+x18+x19)-0.25;
m(17)=(x2+x5+7*x6+x7+2*x8+6*x9+3*x14+x15+x16)-0.25;
m(18)=(x3+x10+x11+2*x12+x13+2*x14+x15+2*x16+x19)-0.25;
m(19)=(x4+2*x17+x18+x19)-0.25;
end


x=fsolve(@slag,[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.0,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5],optimset('display','off'))


Error using trustnleqn (line 28)
Objective function is returning undefined values at initial point. FSOLVE cannot continue.

Error in fsolve (line 376)
    [x,FVAL,JACOB,EXITFLAG,OUTPUT,msgData]=...
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function solnol
clear all;clc
x0=[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.0,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5];
x=fsolve(@slag,x0,optimset('display','off'))

function m=slag(n)
x1=n(1);
x2=n(2);
x3=n(3);
x4=n(4);
x5=n(5);
x6=n(6);
x7=n(7);
x8=n(8);
x9=n(9);
x10=n(10);
x11=n(11);
x12=n(12);
x13=n(13);
x14=n(14);
x15=n(15);
x16=n(16);
x17=n(17);
x18=n(18);
x19=n(19);
m(1)=exp((13836+25.44*1863)/8.314*1863)*x1^3*x2-x5;
m(2)=exp((35288+204.59*1863)/8.314*1863)*x1^12*x2^7-x6;
m(3)=exp((18946+25.44*1863)/8.314*1863)*x1*x2-x7;
m(4)=exp((18566+23.68*1863)/8.314*1863)*x1*x2^2-x8;
m(5)=x9*0;
m(6)=exp((107800+13.44*1863)/8.314*1863)*x1^3*x3^2-x10;
m(7)=exp((122731+8.85*1863)/8.314*1863)*x1^2*x3-x11;
m(8)=exp((302587+66.24*1863)/8.314*1863)*x1^3*x3^2-x12;
m(9)=exp((86231+0.995*1863)/8.314*1863)*x1*x3-x13;
m(10)=exp((19512+28.19*1863)/8.314*1863)*x2^3*x3^2-x14;
m(11)=exp((354932-417.63*1863)/8.314*1863)*x1^2*x2*x3-x15;
m(12)=exp((1252543-277.06*1863)/8.314*1863)*x1*x2*x3^3-x16;
m(13)=exp((203172+21.38*1863)/8.314*1863)*x1^3*x4^2-x17;
m(14)=exp((75158+21.38*1863)/8.314*1863)*x1*x4-x18;
m(15)=exp((313417-282.66*1863)/8.314*1863)*x1*x2*x3-x19;
m(16)=(0.5*x1+3*x5+12*x6+x7+x8+x9+3*x10+2*x11+3*x12+x13+2*x15+x16+3*x17+x18+x19)-0.25;
m(17)=(x2+x5+7*x6+x7+2*x8+6*x9+3*x14+x15+x16)-0.25;
m(18)=(x3+x10+x11+2*x12+x13+2*x14+x15+2*x16+x19)-0.25;
m(19)=(x4+2*x17+x18+x19)-0.25;
MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
2Â¥2013-07-03 11:32:44
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2Â¥: Originally posted by ÔÂÖ»À¶ at 2013-07-03 11:32:44
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function solnol
clear all;clc
x0=;
x=fsolve(@slag,x0,optimset('display','off'))

fun ...

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3Â¥2013-07-03 15:44:41
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4Â¥2013-07-03 15:46:50
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4Â¥: Originally posted by xiao__guan at 2013-07-03 15:46:50
»¹ÓоÍÊÇ£¬Äܲ»Äܰѷ½³ÌÖеÄ1863 ¸ÄΪһ¸ö¿ÉÒÔÉ趨µÄ±äÁ¿Öµ£¬ ·ñÔòÿ´Î¼ÆËã¶¼Òª°ÑËùÓеÄ1863¸ü¸Äµô£¬Ì«Âé·³ÁË...

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ÖÁÓÚÄã˵¸³Öµ1863µÄÎÊÌ⣬һÖÖ½â¾ö°ì·¨¾ÍÊǶ¨ÒåÒ»¸öÈ«¾Ö±äÁ¿k£¬¶Ôk¸³Öµ¼´¿É£¬ÒÔϵijÌÐò¾Í²ÅÓÃÕâ¸ö°ì·¨£»¸ü¼ò½àһЩµÄ»°£¬Ö±½Ó°Ñk=1863дµ½¡°function m=slag(n)¡±µÄÏÂÃæ¡£


function solnol
clear all;clc
global k
k=1863;
x0=[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.0,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5];
x=fsolve(@slag,x0,optimset('display','off'))

function m=slag(n)
global k
x1=n(1);
x2=n(2);
x3=n(3);
x4=n(4);
x5=n(5);
x6=n(6);
x7=n(7);
x8=n(8);
x9=n(9);
x10=n(10);
x11=n(11);
x12=n(12);
x13=n(13);
x14=n(14);
x15=n(15);
x16=n(16);
x17=n(17);
x18=n(18);
x19=n(19);
m(1)=exp((13836+25.44*k)/8.314*1863)*x1^3*x2-x5;
m(2)=exp((35288+204.59*k)/8.314*1863)*x1^12*x2^7-x6;
m(3)=exp((18946+25.44*k)/8.314*1863)*x1*x2-x7;
m(4)=exp((18566+23.68*k)/8.314*1863)*x1*x2^2-x8;
m(5)=x9*0;
m(6)=exp((107800+13.44*k)/8.314*k)*x1^3*x3^2-x10;
m(7)=exp((122731+8.85*k)/8.314*k)*x1^2*x3-x11;
m(8)=exp((302587+66.24*k)/8.314*k)*x1^3*x3^2-x12;
m(9)=exp((86231+0.995*k)/8.314*k)*x1*x3-x13;
m(10)=exp((19512+28.19*k)/8.314*k)*x2^3*x3^2-x14;
m(11)=exp((354932-417.63*k)/8.314*k)*x1^2*x2*x3-x15;
m(12)=exp((1252543-277.06*k)/8.314*k)*x1*x2*x3^3-x16;
m(13)=exp((203172+21.38*k)/8.314*k)*x1^3*x4^2-x17;
m(14)=exp((75158+21.38*k)/8.314*k)*x1*x4-x18;
m(15)=exp((313417-282.66*k)/8.314*k)*x1*x2*x3-x19;
m(16)=(0.5*x1+3*x5+12*x6+x7+x8+x9+3*x10+2*x11+3*x12+x13+2*x15+x16+3*x17+x18+x19)-0.25;
m(17)=(x2+x5+7*x6+x7+2*x8+6*x9+3*x14+x15+x16)-0.25;
m(18)=(x3+x10+x11+2*x12+x13+2*x14+x15+2*x16+x19)-0.25;
m(19)=(x4+2*x17+x18+x19)-0.25;
MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
5Â¥2013-07-03 16:49:39
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3Â¥: Originally posted by xiao__guan at 2013-07-03 15:44:41
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6Â¥: Originally posted by ÔÂÖ»À¶ at 2013-07-03 16:50:46
ÔËÐÐmÎļþ£¬µã»÷Ò»¸öÂÌÉ«µÄÈý½ÇÐΣ¬»òÕß¿ì½Ý¼üF5...

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7Â¥2013-07-03 18:42:26
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ÒýÓûØÌû:
6Â¥: Originally posted by ÔÂÖ»À¶ at 2013-07-03 16:50:46
ÔËÐÐmÎļþ£¬µã»÷Ò»¸öÂÌÉ«µÄÈý½ÇÐΣ¬»òÕß¿ì½Ý¼üF5...

Error using trustnleqn (line 28)
Objective function is returning undefined values at initial point. FSOLVE cannot continue.

Error in fsolve (line 376)
    [x,FVAL,JACOB,EXITFLAG,OUTPUT,msgData]=...

Error in soln (line 6)
x=fsolve(@slag,x0,optimset('display','off'));

............
8Â¥2013-07-04 09:51:25
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8Â¥: Originally posted by xiao__guan at 2013-07-04 09:51:25
Error using trustnleqn (line 28)
Objective function is returning undefined values at initial point. FSOLVE cannot continue.

Error in fsolve (line 376)
    =...

Error in soln (line 6)
x=fsol ...

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ÒýÓûØÌû:
9Â¥: Originally posted by ÔÂÖ»À¶ at 2013-07-04 13:56:34
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